GOST 34790-2021 Prepared (corrected) water for the manufacturing of alcoholic beverages. Determination of the content of hydrogen sulfide and sulfides by photometric method with N,N-dimethyl-p-phenylenediamine
This standard applies to water prepared (amended) for the production of alcoholic beverages and other beverages, as well as drinking water, and establishes a photometric method for determining the content of hydrogen sulfide and sulfides with N,N-dimethyl-p-phenylenediamine in the concentration range from 0.002 to 5 mg/dm3 calculated as sulfide ion
GOST 34790-2021 history
2021GOST 34790-2021 Prepared (corrected) water for the manufacturing of alcoholic beverages. Determination of the content of hydrogen sulfide and sulfides by photometric method with N,N-dimethyl-p-phenylenediamine