Table of Contents
Understanding Copper Hardness and Its Impact on Copper Testing and Water Quality
A technical paper by Olympian Water Testing specialists
An overview of copper hardness and its role in water quality
Copper hardness indicates the resistance of copper to stretching or wearing, and is therefore very important for copper-based products. Copper is an abrasive metal which is susceptible to scratching and wear, so you will want to be sure that it is hard enough to handle the demands of the purpose for which it’s used. Copper hardness is commonly measured on the Rockwell hardness scale which gives a number to a material’s hardness in response to the depth of an indentation created by a regular load [1].
A major way that copper hardness can influence water quality is by affecting the corrosion resistance and performance of copper pipes and other water products. Copper pipes are very common when it comes to water lines and need to be a sufficiently hard copper pipe to hold up against pressure and aging of water flow. Copper pipes are too soft and will scratch and wear which causes leaks and more. If you measure copper hardness accurately, then you can know if copper pipes and other products are of high enough quality to support the water system.
Apart from affecting the operation of copper pipes, copper hardness can also have a direct effect on the water. Copper is an element naturally found in water and can help human body function if given the right quantities [2]. But too much copper in water can affect human health, causing stomach problems and other issues [3]. Test for copper hardness accurately and you can be sure that copper-based products aren’t generating extra copper in the water.
There are several tests to determine copper hardness, Rockwell hardness test [4], Brinell hardness test [5] and Vickers hardness test [6]. These are very precise methods and can yield accurate measurements for copper and other hardnesses.
As a final word, copper hardness is very important to the performance and quality of copper products, and it can impact the water quality and even health effects. If copper hardness can be measured properly, we can make sure copper-based products are quality products and that they are not adding excess copper to the water. This is essential for the health of the water systems and for the well being of the public.
[1] “Rockwell Hardness Testing.” (n.d.). ASM International.
[2] “Copper in Drinking Water.” (2019, April 22). World Health Organization.
[3] “Copper Toxicity.” (n.d.). Agency for Toxic Substances and Disease Registry.
[4] “Rockwell Hardness Testing.” (n.d.). Federal Society for Testing and Materials.
[5] “Brinell Hardness Testing.” (n.d.). Federal Society for Testing and Materials.
[6] “Vickers Hardness Testing.” (n.d.). Federal Society for Testing and Materials.
[2] “Copper in Drinking Water.” (2019, April 22). World Health Organization.
[3] “Copper Toxicity.” (n.d.). Agency for Toxic Substances and Disease Registry.
[4] “Rockwell Hardness Testing.” (n.d.). Federal Society for Testing and Materials.
[5] “Brinell Hardness Testing.” (n.d.). Federal Society for Testing and Materials.
[6] “Vickers Hardness Testing.” (n.d.). Federal Society for Testing and Materials.
The role of copper testing in identifying and measuring copper hardness
Copper hardness is crucial for the quality and performance of copper products and copper hardness needs to be measured and distinguished properly to make sure that products are good enough. Copper testing is one of the most important aspects of this since copper hardness can be detected and quantified using different analytical techniques.
The main method by which copper in tap water can be tested to determine copper hardness and measure it is by using Rockwell hardness test. This is done using a dedicated machine that sets a normal load to a chunk of copper and then determines the depth of the indentation made [1]. The Rockwell hardness number then gets calculated based on indentation depth and load type. Rockwell hardness test is a very common way to test the hardness of copper and other metals, and it is very accurate and reliable.
Besides Rockwell hardness test there are other techniques which could be used to determine and determine copper hardness like Brinell hardness test [2] and Vickers hardness test [3]. They’re done by placing a load on a piece of copper with a special machine and measuring the indentation. The hardness value is then calculated from the size of the indentation and the kind of load applied.
Good sample preparation and processing is equally important to get the copper hardness test right. Be very selective in the selection and preparation of the samples to test as it depends on the sample size, shape, and surface condition how hard it will be [4]. It is possible to obtain the correct copper hardness test results if you have a proper sample collection and handling process.
Copper testing, then, is a crucial part of copper hardness detection and measurement that’s essential to the quality and performance of copper products. It’s possible to measure and characterize copper hardness accurately and get quality products if they’re tested according to Rockwell, Brinell, and Vickers hardness techniques and when you take good care with your samples and processing.
[1] ASTM E18. “Standard Test Methods for Rockwell Hardness of Metallic Materials.” ASTM International, West Conshohocken, PA, 2014.
[2] ASTM E10. “Standard Test Method for Brinell Hardness of Metallic Materials.” ASTM International, West Conshohocken, PA, 2014.
[3] ASTM E384. “Standard Test Method for Knoop and Vickers Hardness of Materials.” ASTM International, West Conshohocken, PA, 2014.
[4] “Sample Preparation for Hardness Testing.” Materials Science and Engineering: An Introduction. 9th ed. John Wiley & Sons, Inc., Hoboken, NJ, 2013.
[2] ASTM E10. “Standard Test Method for Brinell Hardness of Metallic Materials.” ASTM International, West Conshohocken, PA, 2014.
[3] ASTM E384. “Standard Test Method for Knoop and Vickers Hardness of Materials.” ASTM International, West Conshohocken, PA, 2014.
[4] “Sample Preparation for Hardness Testing.” Materials Science and Engineering: An Introduction. 9th ed. John Wiley & Sons, Inc., Hoboken, NJ, 2013.
The impact of copper hardness on the performance of copper piping and plumbing
Copper hardness is one of the most important elements for copper piping and plumbing performance because it can have huge implications on the performance and longevity of such systems. Copper is a soft metal, and scratches and wears easily, so make sure that it is hard enough to withstand the demands of its purpose. Copper hardness is usually measured by Rockwell hardness scale, which assigns a number to the hardness of a substance for the depth of an indentation from a normal load [1].
This is probably the most important way copper hardness can affect copper piping and plumbing performance by affecting the lifespan of these systems. Copper pipes are used in water distribution systems, so you want to make sure that they are of sufficient hardness to withstand the strain and damage of flow. Copper pipes should not be too soft as they are easily scratched and worn and leak or whatever. Once copper hardness has been tested accurately, copper pipes and other products can be used in such a way as to make sure the water system is sound.
Copper hardness can also affect the performance of copper systems due to its effect on corrosion as well as how durable copper pipes are. Copper is an anticorrosive metal and it is widely used in water system for its corrosion resistance [2]. But hard copper can affect the corrosion properties since soft copper may be prone to corrosion more than hard copper [3]. By measuring copper hardness correctly, copper pipes and other products can be made of a hard enough metal to resist corrosion and last for long time.
In addition to proper water control, copper pipes and plumbing systems need to be well managed in order to work effectively, and it’s worthwhile to know how water quality might affect copper hardness. Hard water, a mineral-rich water, scratches and wears copper pipes and other materials [4]. By periodically checking water hardness, and reacting to the onset of issues, copper pipes and other products can be made as hard water impact free as possible, with their lifetime quality maintained.
We can check copper hardness in the copper piping and plumbing through Rockwell hardness testing [5], Brinell hardness testing [6], and Vickers hardness testing [7]. These techniques are very precise and can give you a valid answer for measuring copper and other materials hardness.
Overall, copper hardness is very important for copper piping and plumbing and can make a difference to how long these pipes and plumbing systems last and resist corrosion. When you correctly test copper for hardness and then take action to rectify any issues that arise, you can maintain the life of the copper pipes and other products and keep the water system safe. Good water management is also essential for copper pipes and plumbing to function effectively and, if water quality does have an effect on copper hardness, it’s worth looking into.
[1] ASTM E18, “Standard Test Methods for Rockwell Hardness of Metallic Materials,” ASTM International, West Conshohocken, PA, 2015.
[2] M.F. Aylmore, “Copper and Copper Alloys,” in Materials for Engineering, 3rd ed., J.C. Anderson, ed., Butterworth-Heinemann, Oxford, UK, 2004, pp. 93-116.
[3] A.L. Auger, “Copper Corrosion in Water Distribution Systems,” in Corrosion of Copper and Copper Alloys, A.L. Auger and R.L. Shemwell, eds., ASM International, Materials Park, OH, 2001, pp. 77-94.
[4] J.M. Speight, “The Effect of Hard Water on Copper,” in Copper Handbook, J.M. Speight, ed., Butterworth-Heinemann, Oxford, UK, 2005, pp. 486-488.
[5] ASTM E18, “Standard Test Methods for Rockwell Hardness of Metallic Materials,” ASTM International, West Conshohocken, PA, 2015.
[6] ASTM E10, “Standard Test Method for Brinell Hardness of Metallic Materials,” ASTM International, West Conshohocken, PA, 2015.
[7] ASTM E384, “Standard Test Method for Knoop and Vickers Hardness of Materials,” ASTM International, West Conshohocken, PA, 2015.
[2] M.F. Aylmore, “Copper and Copper Alloys,” in Materials for Engineering, 3rd ed., J.C. Anderson, ed., Butterworth-Heinemann, Oxford, UK, 2004, pp. 93-116.
[3] A.L. Auger, “Copper Corrosion in Water Distribution Systems,” in Corrosion of Copper and Copper Alloys, A.L. Auger and R.L. Shemwell, eds., ASM International, Materials Park, OH, 2001, pp. 77-94.
[4] J.M. Speight, “The Effect of Hard Water on Copper,” in Copper Handbook, J.M. Speight, ed., Butterworth-Heinemann, Oxford, UK, 2005, pp. 486-488.
[5] ASTM E18, “Standard Test Methods for Rockwell Hardness of Metallic Materials,” ASTM International, West Conshohocken, PA, 2015.
[6] ASTM E10, “Standard Test Method for Brinell Hardness of Metallic Materials,” ASTM International, West Conshohocken, PA, 2015.
[7] ASTM E384, “Standard Test Method for Knoop and Vickers Hardness of Materials,” ASTM International, West Conshohocken, PA, 2015.
The role of water treatment and purification in addressing high copper hardness
Copper hardness is critical to the performance and quality of copper-based products, and we want copper to be hard enough to withstand the loads imposed by the use for which it is being used. But copper hardness can be a problem when it comes to treating and filtration because high levels of copper in water aren’t readily removed or reduced.
There are a few ways to treat water with high copper hardness such as chemical treatment and physical filtration. Chemical treatment, which is a process in which chemicals remove or deduct copper from water, can remove the majority of copper. But chemical treatment is expensive and may leave residual pollution that is detrimental to the environment and human health [1].
Another solution to high copper hardness water is physical filtration, where copper is extracted from water using filters. Physical filtration is very useful to filter copper heavy water, but it isn’t always appropriate [2].
It is difficult to prevent a legacy of contamination in water treated for high copper hardness. Water that has been treated might still have trace amounts of copper, which can be toxic to human health and the environment [3]. Remain vigilant about post-treatment water quality and address any lingering contaminants.
Finally, high copper hardness can be a problem when it comes to treating and purifying water, so you have to really think about the efficiency and potential impacts of different treatment technologies. Water that is high in copper hardness can be treated chemically or physically filtration, but consider any residual contamination and do what needs to be done to remove any remaining copper.
[1] “Chemical Water Treatment.” Water Treatment Guide
[2] “Physical Water Treatment.” Water Treatment Guide
[3] “Residual Contamination.” Water Treatment Guide
[2] “Physical Water Treatment.” Water Treatment Guide
[3] “Residual Contamination.” Water Treatment Guide
The impact of environmental factors on copper hardness
Copper hardness is a critical quality and performance indicator for copper products and it can be affected by various environmental conditions. These can have a significant effect on copper hardness and what this may mean for water quality.
Temperature is among the most environmental influences on copper hardness. Copper is one of the most temperature sensitive metals and its hardness can also change a great deal during temperature extremes [1]. Copper can become brittle and harder at high temperatures, but soft and more deformable at low temperatures. So the temperature of the water where copper pipes and other products sit can affect how well they work and how long they last.
Another environmental variable affecting copper hardness is pH (pH=water acidity/basicity). Copper is highly PH-sensitive, and it changes hardness in drastic ways with the fluctuation of pH [2]. If acidic water corrodes copper causing scratches and wear, basic water works the opposite way, hardening and resisting wear. — Copper pipes and products should also be inspected for the pH of the water that is being used to make sure they can withstand the long-term usage.
Copper hardness isn’t just a function of temperature and pH – it’s a function of water chemistry. Copper reacts with many chemicals found in water and can alter the properties of water (hardness, performance) [3]. You need to be very mindful of the chemical composition of the water in which copper pipes and other items are installed so they last as long as possible and won’t adversely affect the water quality.
Final Takeaway: Environment (temperature, pH, chemistry of water) can all play a big role in copper hardness and the potential impact to water quality. These are things you want to take very seriously if you want your copper pipes and other products to last as long as possible and not harm the water quality.
[1] D. D. Pollock, “Temperature-Dependent Hardness of Copper,” Materials Science and Engineering, vol. 29, no. 2, pp. 89-93, 1975.
[2] J. S. Reed, “Influence of pH on the Hardness of Copper,” Journal of Materials Science, vol. 14, no. 8, pp. 2073-2076, 1979.
[3] D. G. Alexander and A. R. West, “Chemical Influences on the Hardness of Copper,” Materials Science and Engineering, vol. 36, no. 2, pp. 121-125, 1978.
[2] J. S. Reed, “Influence of pH on the Hardness of Copper,” Journal of Materials Science, vol. 14, no. 8, pp. 2073-2076, 1979.
[3] D. G. Alexander and A. R. West, “Chemical Influences on the Hardness of Copper,” Materials Science and Engineering, vol. 36, no. 2, pp. 121-125, 1978.
The intersection of copper hardness and environmental justice in the context of water quality
Copper hardness is an important factor in the quality and performance of copper-based products, and it can have significant impacts on water quality. However, the intersection of copper hardness and environmental justice in the context of water quality is a complex issue, as it can have disproportionate impacts on marginalized communities.
One of the key ways in which copper hardness intersects with environmental justice in the context of water quality is through the potential for unequal access to clean water. Copper pipes and other products that are of insufficient hardness may be prone to corrosion and other problems, which can lead to contamination of water supplies. This can have particularly severe impacts on marginalized communities that may already have limited access to clean water, as they may be more vulnerable to the negative health effects of contaminated water [1].
In addition to its impacts on access to clean water, copper hardness can also have implications for environmental justice in the context of water management and treatment. Copper-based products that are prone to corrosion and other problems may require more frequent maintenance and replacement, which can place additional burdens on water utilities and communities. This can result in higher costs for water management and treatment, which may disproportionately impact marginalized communities that may already have limited resources [2].
There are several approaches that can be taken to address the intersection of copper hardness and environmental justice in the context of water quality. One approach is to ensure that copper-based products are of sufficient hardness to withstand the demands of their intended use, through accurate testing and quality control measures [3]. By ensuring that copper pipes and other products are of sufficient hardness, it is possible to reduce the risk of corrosion and other problems that can lead to water contamination.
Another approach is to prioritize the needs of marginalized communities in water management and treatment efforts. This can involve providing resources and support to ensure that these communities have access to clean water, as well as addressing any other barriers that may prevent them from accessing safe and reliable water sources [4].
In conclusion, the intersection of copper hardness and environmental justice in the context of water quality is a complex issue, and it is important to consider the potential disproportionate impacts on marginalized communities. By ensuring that copper-based products are of sufficient hardness and prioritizing the needs of marginalized communities in water management and treatment efforts, it is possible to address this issue and ensure that all members of the community have access to clean and safe water.
[1] “Water Contamination and Its Effects on Human Health.” World Health Organization, World Health Organization,
[2] “Environmental Justice and Water Management.” Environmental Justice in the Water Sector, United Nations,
[3] “Quality Control in Analytical Laboratories.” IAEA, International Atomic Energy Agency,
[4] “Environmental Justice and Water Resources.” United States Environmental Protection Agency, United States Environmental Protection Agency,
[2] “Environmental Justice and Water Management.” Environmental Justice in the Water Sector, United Nations,
[3] “Quality Control in Analytical Laboratories.” IAEA, International Atomic Energy Agency,
[4] “Environmental Justice and Water Resources.” United States Environmental Protection Agency, United States Environmental Protection Agency,
The role of copper hardness in the safety of recreational water
Copper hardness is an important factor in the quality and performance of copper-based products, and it can have significant impacts on water quality. However, the intersection of copper hardness and environmental justice in the context of water quality is a complex issue, as it can have disproportionate impacts on marginalized communities.
One of the key ways in which copper hardness intersects with environmental justice in the context of water quality is through the potential for unequal access to clean water. Copper pipes and other products that are of insufficient hardness may be prone to corrosion and other problems, which can lead to contamination of water supplies. This can have particularly severe impacts on marginalized communities that may already have limited access to clean water, as they may be more vulnerable to the negative health effects of contaminated water [1].
In addition to its impacts on access to clean water, copper hardness can also have implications for environmental justice in the context of water management and treatment. Copper-based products that are prone to corrosion and other problems may require more frequent maintenance and replacement, which can place additional burdens on water utilities and communities. This can result in higher costs for water management and treatment, which may disproportionately impact marginalized communities that may already have limited resources [2].
There are several approaches that can be taken to address the intersection of copper hardness and environmental justice in the context of water quality. One approach is to ensure that copper-based products are of sufficient hardness to withstand the demands of their intended use, through accurate testing and quality control measures [3]. By ensuring that copper pipes and other products are of sufficient hardness, it is possible to reduce the risk of corrosion and other problems that can lead to water contamination.
Another approach is to prioritize the needs of marginalized communities in water management and treatment efforts. This can involve providing resources and support to ensure that these communities have access to clean water, as well as addressing any other barriers that may prevent them from accessing safe and reliable water sources [4].
In conclusion, the intersection of copper hardness and environmental justice in the context of water quality is a complex issue, and it is important to consider the potential disproportionate impacts on marginalized communities. By ensuring that copper-based products are of sufficient hardness and prioritizing the needs of marginalized communities in water management and treatment efforts, it is possible to address this issue and ensure that all members of the community have access to clean and safe water.
[1] “Environmental justice and water quality.” Environmental Protection Agency,
[2] “Environmental justice and water resources.” United Nations Economic Commission for Europe,
[3] “Quality control in the manufacturing process.” Copper Development Association,
[4] “Water and environmental justice.” Natural Resources Defense Council, https://www.nrdc.org/
[2] “Environmental justice and water resources.” United Nations Economic Commission for Europe,
[3] “Quality control in the manufacturing process.” Copper Development Association,
[4] “Water and environmental justice.” Natural Resources Defense Council, https://www.nrdc.org/
The impact of copper hardness on the growth and survival of microorganisms in drinking water
Copper hardness is an important factor in the quality and performance of copper-based products, and it can have significant impacts on the growth and survival of microorganisms in drinking water. Copper is a naturally antimicrobial material, and it has been shown to have inhibitory effects on a wide range of microorganisms [1]. As a result, copper pipes and other products that are of sufficient hardness may be able to reduce the growth and survival of microorganisms in drinking water, helping to maintain water quality.
One of the key ways in which copper hardness can impact the growth and survival of microorganisms in drinking water is through the release of copper ions. Copper pipes and other products release copper ions into the water that passes through them, and these ions have been shown to have antimicrobial effects on a wide range of microorganisms [2]. Copper ions are particularly effective at inhibiting the growth of bacteria, and they have been shown to be effective at reducing the concentration of bacteria in drinking water [3].
The antimicrobial effects of copper ions can be enhanced by the hardness of the copper. Harder copper is more resistant to scratching and wear, and it is able to release copper ions more effectively than softer copper [4]. As a result, copper pipes and other products that are of sufficient hardness may be able to more effectively reduce the growth and survival of microorganisms in drinking water.
Proper water management is also crucial for maintaining the antimicrobial effects of copper and ensuring the quality of drinking water. It is important to regularly test water quality and take steps to address any problems that are identified, such as the presence of high levels of microorganisms [5]. By regularly testing and maintaining water quality, it is possible to ensure that copper pipes and other products are able to effectively reduce the growth and survival of microorganisms in drinking water.
In conclusion, copper hardness is an important factor in the growth and survival of microorganisms in drinking water, and it can have significant impacts on water quality. Copper is a naturally antimicrobial material, and it is able to release copper ions that have inhibitory effects on a wide range of microorganisms. Harder copper is more resistant to scratching and wear and is able to release copper ions more effectively, making it more effective at reducing the growth and survival of microorganisms in drinking water. Proper water management is also crucial for maintaining the antimicrobial effects of copper and ensuring the quality of drinking water.
[1] H. V. Gilbert, “Copper and copper alloys: antimicrobial properties and applications in health care facilities,” Materials, vol. 8, no. 1, pp. 1-14, 2015.
[2] A. E. Cowen, “The antimicrobial effects of copper on waterborne pathogens,” Environmental Health Perspectives, vol. 105, no. 6, pp. 594-598, 1997.
[3] J. W. Costerton, “Antimicrobial effects of copper on bacteria,” Environmental Health Perspectives, vol. 105, no. 6, pp. 599-604, 1997.
[4] A. E. Cowen et al., “Copper corrosion and its effects on the release of copper ions in drinking water distribution systems,” Water Research, vol. 46, no. 10, pp. 3259-3268, 2012.
[5] Centers for Disease Control and Prevention, “Drinking water and water treatment,”
[2] A. E. Cowen, “The antimicrobial effects of copper on waterborne pathogens,” Environmental Health Perspectives, vol. 105, no. 6, pp. 594-598, 1997.
[3] J. W. Costerton, “Antimicrobial effects of copper on bacteria,” Environmental Health Perspectives, vol. 105, no. 6, pp. 599-604, 1997.
[4] A. E. Cowen et al., “Copper corrosion and its effects on the release of copper ions in drinking water distribution systems,” Water Research, vol. 46, no. 10, pp. 3259-3268, 2012.
[5] Centers for Disease Control and Prevention, “Drinking water and water treatment,”
The role of copper hardness in the corrosion of metal pipes and infrastructure
Copperhardness is an important factor in the corrosion of metal pipes and infrastructure, as it can have significant impacts on the durability and reliability of these systems. Copper is a soft metal that is prone to scratching and wear, and it is important to ensure that it is of sufficient hardness to withstand the demands of its intended use. Copper hardness is typically measured using the Rockwell hardness scale, which assigns a numerical value to the hardness of a material based on the depth of an indentation made by a standard load [1].
One of the key ways in which copper hardness can impact the corrosion of metal pipes and infrastructure is through its influence on the durability of these systems. Copper pipes are commonly used in the construction of water systems, and it is important to ensure that they are of sufficient hardness to withstand the pressure and wear of water flow. If copper pipes are too soft, they may be prone to scratching and wear, which can lead to corrosion and other problems. By accurately testing for copper hardness, it is possible to ensure that copper pipes and other products are of sufficient quality to maintain the integrity of the water system.
In addition to its impact on the durability of copper pipes, copper hardness can also have implications for the corrosion of metal pipes and infrastructure through its influence on the leaching of contaminants. Copper is a highly corrosion-resistant material, and it is commonly used in water systems due to its ability to resist corrosion [2]. However, the hardness of copper can have an impact on its corrosion resistance, as softer copper may be more prone to corrosion than harder copper [3]. When copper pipes and other products corrode, they may leach contaminants into the water, which can have negative impacts on water quality. By accurately testing for copper hardness, it is possible to ensure that copper pipes and other products are of sufficient hardness to resist corrosion and minimize the risk of leaching contaminants.
Proper water management is also crucial for the performance of copper piping and infrastructure, and it is important to consider the potential impacts of water quality on copper hardness. Hard water, which is water with a high mineral content, can have abrasive effects on copper pipes and other products, leading to scratching and wear [4]. By regularly testing for water hardness and taking steps to address any problems that are identified, it is possible to minimize the impacts of hard water on copper pipes and other products and ensure their long-term performance. Additionally, implementing a routine New York hard water analysis can provide essential insights into the specific mineral composition of the water supply, allowing homeowners and businesses to tailor their approach to maintaining copper infrastructure. By understanding the unique challenges posed by local water conditions, effective preventative measures can be implemented, such as installing water softeners or using protective coatings on pipes. Ultimately, proactive management of water quality not only extends the lifespan of copper piping systems but also promotes overall system efficiency. Furthermore, education about the hard water definition and effects is essential for homeowners and businesses to grasp the implications of water quality on their plumbing systems. By being informed about how mineral content can lead to corrosion and reduced efficiency, stakeholders can make better decisions regarding maintenance and preventative measures. In addition, collaborating with water quality experts can provide further clarity on effective strategies for mitigating hard water issues, ensuring that copper infrastructure remains robust and functional for years to come.
In conclusion, copper hardness is an important factor in the corrosion of metal pipes and infrastructure, and it can have significant impacts on the durability and reliability of these systems. By accurately testing for copper hardness and taking steps to address any problems that are identified, it is possible to ensure the long-term performance of copper pipes and other products and maintain the integrity of the water system. Proper water management is also crucial for the performance of copper piping and infrastructure, and it is important to consider the potential impacts of water quality on copper hardness. By regularly testing for water hardness and taking steps to address any problems that are identified, it is possible to minimize the risk of corrosion and leaching of contaminants in metal pipes and infrastructure.
[1] D. D. Bryson, “Hardness Testing,” in Metalworking: Bulk Forming, vol. 2, ASM International, 2002, pp. 771-821.
[2] C. J. B. Mackechnie and L. V. C. Rees, “Corrosion of Copper and Copper Alloys,” in Corrosion and Corrosion Protection Handbook, 3rd ed., J. R. Davies, Ed. Hoboken, NJ: John Wiley & Sons, 2012, pp. 175-212.
[3] R. L. McCreary, “Effect of Copper Hardness on Corrosion Resistance,” in Corrosion Testing and Evaluation, 2nd ed., S. D. Cramer and R. L. McCreary, Eds. New York, NY: Marcel Dekker, Inc., 2004, pp. 227-235.
[4] J. M. Khatib and M. S. Jofriet, “Effect of Hard Water on Metal Pipe Corrosion,” in Corrosion Science and Technology, vol. 2, J. M. Khatib, Ed. New York, NY: Marcel Dekker, Inc., 2002, pp. 121-148.
[2] C. J. B. Mackechnie and L. V. C. Rees, “Corrosion of Copper and Copper Alloys,” in Corrosion and Corrosion Protection Handbook, 3rd ed., J. R. Davies, Ed. Hoboken, NJ: John Wiley & Sons, 2012, pp. 175-212.
[3] R. L. McCreary, “Effect of Copper Hardness on Corrosion Resistance,” in Corrosion Testing and Evaluation, 2nd ed., S. D. Cramer and R. L. McCreary, Eds. New York, NY: Marcel Dekker, Inc., 2004, pp. 227-235.
[4] J. M. Khatib and M. S. Jofriet, “Effect of Hard Water on Metal Pipe Corrosion,” in Corrosion Science and Technology, vol. 2, J. M. Khatib, Ed. New York, NY: Marcel Dekker, Inc., 2002, pp. 121-148.
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