Parameter (results 1-20 of 40)

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

Knowledge Base: Hach Parameter FAQ   Alkalinity Ammonia Arsenic Ascorbic Acid Atrazine Bacteria- see Microbiology BOD (Biochemical Oxygen

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

Dissolved Oxygen   Why Monitor Dissolved Oxygen (DO)? Measuring dissolved oxygen in water, and treatment to maintain proper dissolved oxygen levels, are crucial functions in a variety of water treatment applica

pH   Why Monitor the pH of Water?  pH measurement is a key step in many water testing and purification processes: A change in the pH level of water can alter the behavior of chemicals in the water. pH affects p

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

Now Why Measure Biochemical Oxygen Demand? Biochemical oxygen demand, otherwise known as biological oxygen demand, is an important parameter in water treatment. When effluent wastewaters are discharged into the

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 s

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

Methods for Monitoring FAQs Request Quote 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

3200sc UV Nitrate and Nitrite Sensors provides high accuracy, simple maintenance and dual parameter capability. Learn More N-ISE sc Nitrate Sensors Hach's digital ion-selective N-ISE sc probe is designed for the

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 Today

instruments in the water analysis market. Learn More 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

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

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

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

, your options increase significantly: internal data logging, external analog and digital communication alternatives, and multi-parameter instrument flexibility. Claros Enabled products share measurement data

, portable colorimeters are built to handle the unique stresses present in testing water quality. Whether you are looking for a single parameter testing device or sophisticated multiparameter handheld colorimeters

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    Featured Products for the Oil and Gas Industry See our water analysis solutions by equipment and parameter:     Need More Info? Want to talk to a Hach expert about trusted, reliable Hach solutions? Let us