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interfere with other water quality tests such as nitrogen, ammonia-salicylate methods. Visit these related parameter pages to learn more about ammonia and nitrogen . At Hach ® , find the testing equipment
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2021-08 |
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pH What is pH? pH is a measure of the hydrogen ion activity in a solution. Pure water that contains an equal balance of positive hydrogen ions (H + ) and negative hydroxide ions (OH - ) has a neutral pH. So
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2022-07 |
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Alkalinity What is Alkalinity? Alkalinity is a measure of the capacity of water to neutralize acids. This is known as the buffering capacity of water, or the ability of water to resist a change in pH when aci
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2024-01 |
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Dissolved Oxygen What is Dissolved Oxygen (DO)? Dissolved oxygen is a measure of the amount of gaseous oxygen contained in water. Healthy waters that can support life must contain dissolved oxygen (DO). Diss
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2021-08 |
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Chlorine What is Chlorine? Chlorine is a chemical element with atomic number of 17 and molecular mass of 35.5. Naturally occurring, it is found in the mineral form of sodium chloride (common salt) and other
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2022-11 |
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Methods for Monitoring FAQs Shop Now Why Monitor Ammonia? Ammonia is used as both a reagent and as a measurement parameter in several areas of water and wastewater treatment. Naturally occurring ammonia is
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2023-03 |
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by weight in the oceans. Why Measure Sodium? Sodium, part of highly soluble, conductive and corrosive compounds is a crucial parameter in water quality testing. Pure and ultra-pure water / Steam processes
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2022-08 |
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Nitrogen, Total What is Nitrogen? Nitrogen is a chemical element with the symbol N, the atomic number of 7, and the atomic mass of 14. It can occur in a diatomic molecular form (N 2 ) as a colorless gas and
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2022-03 |
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Silica What is Silica? Silica, also known as silicon dioxide (SiO 2 ) or mineral quartz, is a derivative compound of the chemical element silicon (Si) and makes up approximately 59% of the Earth's crust and
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2021-08 |
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demand, otherwise known as biological oxygen demand, is an important parameter in water treatment. When effluent wastewaters are discharged into the environment, they can introduce pollution in the form of
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2021-08 |
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3200sc UV Nitrate and Nitrite Sensors provides high accuracy, simple maintenance and dual parameter capability. Shop Now Nitrate The EZ Series Online Analyzers offer multiple options to monitor nitrate in water
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2022-11 |
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instruments in the water analysis market. Shop Now Colorimeters Whether you are looking for a single parameter testing device such as the DR300, or a more sophisticated hassle-free instrument like the DR900 that can
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2023-03 |
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COD and BOD, however, it must be experimentally established before using one parameter to express another. Usually COD analysis (which is a much faster and more accurate method) is used to estimate BOD using
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2021-08 |
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Turbidity What is Turbidity? Turbidity is the measure of the cloudiness or haziness of water. More specifically, it's the measure of how light reflects off of suspended particles in water – specifically parti
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2022-04 |
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Total Organic Carbon (TOC) What is Total Organic Carbon (TOC)? Total organic carbon is a measure of the amount of organic compounds contained in a water sample. Organic carbon-containing compounds can either
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2022-03 |
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training experts to discuss your specific requirements. Contact Us View All eLearning Modules Parameter Foundational, ideal for onboarding programs. Learn about parameters that affect the quality of water
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2023-05 |
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Right TNTplus Truecal Parameters TNTplus with Truecal: Truecal supports many TNTplus wastewater parameters. More tests to come! Parameter Product Number COD TNT820 , TNT
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2024-02 |
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function improved : Find what you need, faster than ever. The intuitive search function navigates by industry, parameter, product or family group. Better navigation : Find a solution for your problem in an easier
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2023-05 |
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Conductivity, pH value : Early indicator for unusual contaminants potentially harmful for the biological treatment Flow : Basic parameter used for load calculations BOD, COD, SAC, TOC : Determination of the
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2024-03 |
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, your options increase significantly: internal data logging, external analog and digital communication alternatives, and multi-parameter instrument flexibility. Claros Enabled products share measurement data
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2023-05 |
