Entries Tagged Hach

To be able to comply with the legal requirements on treated wastewater, plant operators must control the treatment process carefully so they...

Analysis and quality assurance measures are inseparably interlinked. There is much more to ensuring high quality measurement results than simply the type...

After just a short time, the HQD digital electrochemical measuring system has already established itself in practice, both in the laboratory, with...

There are various ways to produce Class A biosolids. Mark Bowman wants to prove to the Environmental Protection Agency that his preferred...

In recent years, TOC has steadily gained in importance in both wastewater and drinking water analysis. In relationship to COD, TOC provides...

The launch of the world’s first ready-to-use reagent packages for photometric analysis in the 1960s had a substantial effect on environmental analysis....

Drinking water treatment plants face the ongoing challenge of optimizing the efficiency of their processes to adapt to new water quality regulations....

Heterotrophs are a group of microorganisms including yeasts, molds and bacteria that use organic carbon as their sole carbon and energy source....

When the largest wastewater treatment facility in Alaska switched from chlorine gas disinfection to sodium hypochlorite, Andrew Johnson faced a challenge. He...

Changing regulations, unpredictable influent levels, unplanned instrument downtime, irregular samples and incorrect data logging are all problems plant operators face. Without a...

DBPs are trihalomethanes, haloacetic acids, chlorites, halonitromethanes and other halogenated organic compounds. These compounds are proven human carcinogens.Council Directive 98/83/EC of Nov....

Reverse osmosis systems are highly effective for water treatment processes — especially when water quality must meet ultra-pure specifications. However, RO systems...

Hach opened a new research and development facility in August, expanding its Loveland campus by more than 90,000 square feet. The new...

It’s time to set a new standard — and save time. From cleaning to calibration to validation, the new Hach TU5 Series...