GOST 2053-1977 PDF

Scope: This standard applies to sodium sulphide 9-hydrate (sodium sulfide), which is a hygroscopic colorless

GOST 2053-1977 Referenced Document

GOST 10163-1976 Reagents. Soluble starch. Specifications
GOST 10671.4-1974 Reagents. Methods for determination of nitrogen compaunds impurity general content
GOST 1770-1974 Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
GOST 20292-1974 Laboratory volumetric glassware. Burettes, pipettes
GOST 25336-1982 Laboratory glassware and equipment. Basic parameters and dimensions*， 1982-04-18 Update
GOST 25794.2-1983 Reagents. Methods for preparation of standard volumetric solutions for redox titration*， 1983-04-18 Update
GOST 27025-1986 Reagents. General test requirements*， 1986-04-18 Update
GOST 27068-1986 Reagents. Sodium thiosulphate 5-aqueous. Specifications*， 1986-04-18 Update
GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
GOST 3885-1973 Reagents and superpure substances. Regulations of acceptance, sampling, packing, marking, transportation and storage
GOST 4159-1979 Reagents. Iodine. Specifications*， 1979-04-18 Update
GOST 4174-1977 Reagents. Zinc sulphate 7-aqueous. Specifications
GOST 4517-1987 Reagents. Methods for preparation of accessory reagents and solutions used for analysis*， 1987-04-18 Update
GOST 4919.1-1977 Reagents and matters of special purity. Methods for preparation of indicators solutions
GOST 6709-1972 Distilled water. Specifications