Parameter (results 1-20 of 28)

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

Find the best solution for each drinking water parameter   Turbidity Organics Disinfection Other Online Instruments Lab

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

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 the

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

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 eithe

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

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

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

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

UV Nitrate and Nitrite Sensors provides high accuracy, simple maintenance and dual parameter capability. Shop Now N-ISE sc Hach's digital ion-selective N-ISE sc probe is designed for the determination of

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

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

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 measure many parameters

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

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

Right   LCK Truecal Parameters LCK with Truecal: Truecal supports many LCK wastewater parameters. More tests to come! Parameter                            Product Number   COD   LCK114 , LCK314 ,   LCK514

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form a color complex. Spectrophotometers then use internal calibrations to equate that color to the concentration of the parameter being measured. Spectrophotometry is one of the most common and useful methods

this test also form part of the ADDISTA pack. Simply measure the concentration of the relevant parameter as per the instructions and send us your results. Once the results have been evaluated, you will receive