Today, Hach proudly introduces the NH6000sc ammonium analyser to the European market, featuring trusted Gas Sensing Electrode (GSE) technology and delivering six months of uninterrupted operation with ...

Our Mission: The ACS Committee on Analytical Reagents is the only committee in the world dedicated to establishing specifications and developing validated test methods for determining the purity of ...

WATERTOWN — Maybe it was a good thing that Watertown senior 285-pounder Micah Hach didn't have to work too hard to pick his 35th high school wrestling victory of the season on Thursday.

If you would like to have a grant for activities that will take place after this date, consider applying for the ACS-Hach High School Chemistry Classroom Grant. Questions? Contact us at [email protected] ...

Watertown senior wrestler Micah Hach, a South Dakota State University recruit, improved to 35-0 on the season Thursday. Hach signed to play football and wrestle at SDSU and is sticking with his ...

A sulfite allergy is caused by exposure to sulfur-based compounds naturally found in certain foods and used in certain food preservatives and additives. This can lead to allergy symptoms like wheezing ...

The samples were collected every 4 days. The SO 4 2− was detected by a sulfate reagent powder pillow (HACH 2106769), and the pH was measured by a pH meter (pH meter FE20, China). The ability of the ...

This document has been published in the Federal Register. Use the PDF linked in the document sidebar for the official electronic format.