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 ...

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] ...

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 ...