Parameter (results 1-20 of 43)

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

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 pr

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

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

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

Chlorine   Why Chlorine Measurement, Testing and Analysis Matters to Water Quality Chlorine (Cl 2 ) is strong oxidizing agent and ideal disinfectant. Proper residual chlorine levels in drinking water ensure th

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

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

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

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

Right   TNTplus Truecal Parameters TNTplus with Truecal: Truecal supports many TNTplus wastewater parameters. More tests to come! Parameter                            Product Number   COD   TNT820 , TNT821

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

excitation, correlated to oxygen evolution; the commonly used fluorescence signals f0, f, fm referring to the Genty parameter method are used for calculation. Yellow substance measurement (CDOM) to correct the

all USEPA filtering monitoring requirements. Compatible with Hach Multi-Sensor, Multi-Parameter Digital Controllers, sensor can be used with Hach's new sc200 or sc1000 Digital Controllers. Includes Manual and

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

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