GOST 31857-2012 PDF

GOST 31857-2012 Referenced Document

GOST 1770-1974 Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
GOST 25336-1982 Laboratory glassware and equipment. Basic parameters and dimensions
GOST 2603-1979 Reagents. Acetone. Specifications
GOST 28311-1989 Laboratory medical dosers. General technical requirements and test methods
GOST 29227-1991 Laboratory glassware. Graduated pipettes. Part 1. General requirements
GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
GOST 4198-1975 Reagents. Potassium dihydrogen phosphate. Specifications
GOST 4199-1976 Reagents. 10-aqueous sodium tetraborate. Specifications
GOST 4204-1977 Reagents. Sulphuric acid. Specifications
GOST 4328-1977 Reagents. Sodium hydroxide. Specifications
GOST 4461-1977 Reagents. Nitric acid. Specifications
GOST 6709-1972 Distilled water. Specifications
ISO 7875-1:1996 Water quality - Determination of surfactants - Part 1: Determination of anionic surfactants by measurement of the methylene blue index (MBAS)

2012 GOST 31857-2012 Drinking water. Methods for determination of surfactants content