Chemistry (results 1-17 of 17)

in finished water, but monitoring can be tricky. Learn why in this article LEARN MORE Chlorine Dioxide Chemistry Explained Learn about the DPD and Chlorophenol Red Methods, the two primary methods for chlorine

hypochlorite) or combined chlorine (chloramines and chloro-organics). The Chemistry of Chlorine Disinfection Strategies Chlorine demand is the total amount of chlorine that is needed to react with all the

can fail due to a variety of factors, including basic errors in handling and technique, or problems with expired chemistry or inappropriate sampling. Truecal from Hach reduces variations in results caused by

variety of different conditions   Lower detection limit of 0.01 ppb Learn More   Based on advanced colorimetric chemistry the CL 17 chlorine analyser provides a fast, reliable method of determining total or

the sample matches a reference color and concentration is displayed in a window. Shop Now Test Strips High-quality Hach chemistry on an easy-to-use test strip. Simply dip the strip in sample and compare with

about water analysis. Armed with an advanced understanding of analytical chemistry and a passion for making a difference, our founders set out to simplify water analysis. Learn More Our Global Footprint

and Kitty Hach invented a whole new way to think about water analysis. Armed with an advanced understanding of analytical chemistry and a passion for making a difference, our founders set out to simplify water

Compare Features Resources Request Info Hach ® is your trusted partner in water analysis with more than 85 years of chemistry expertise, offering the: Greatest variety of approved methods Most products with

STEAMfest in Northern Colorado is one of the highlights and allows us to showcase the fun side of chemistry to the next generation. The Matthews House The Matthews House empowers youth and families in Northern

) in water. Shop Now TOC TNTplus Vial Test, LR (1.5-30.0 mg/L C), 25 Tests TOC TNTplus chemistry and your Hach spectrophotometer are engineered to simplify water analysis for accurate results, every time. Shop

fields: Chemical Analysis: In chemistry labs, colorimeters are utilized to determine the concentration of chemical solutions by measuring

causes iron and manganese to form insoluble precipitates, which can be removed by filtration but may interfere with DPD chemistry. Use the Indophenol No-interference Method 10241 to measure free chlorine residual

the basics of organic chemistry reveals that when organic carbon combines with chlorine, it results in the formation of disinfection

Hardness (Color) Everything you need for total hardness (color) titration in one package. Shop Now Test Strips High-quality Hach chemistry on an easy-to-use test strip. Simply dip the strip in sample and compare

with these tests too. Due to the acidic chemistry, some suspended orthophosphate may be detected if the sample was not first filtered to

Chemistry Explained [PDF] > Article: COD Testing and Temperature [PDF] Dissolved Oxygen Why Monitor Dissolved Oxygen (DO)? Your facility’s aeration

HR Chlorine method that uses the DPD chemistry and is measured in a colorimeter or spectrophotometer is acceptable for USEPA reporting