GOST 4223-1975 PDF

Scope: This standard applies to acidic potassium sulfate, which is colorless transparent crystals, white in bulk

GOST 4223-1975 Referenced Document

GOST 10555-1975 Reagents and high-purity matters. Colorimetric methods for determination of iron
GOST 10671.1-1974 Reagents. Method for determination of silica impurity
GOST 1770-1974 Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
GOST 199-1978 Reagents. Sodium acetate 3-aqueous. Specifications*， 1978-04-19 Update
GOST 3760-1979 Reagents. Ammonia water. Specifications*， 1979-04-19 Update
GOST 3885-1973 Reagents and superpure substances. Regulations of acceptance, sampling, packing, marking, transportation and storage
GOST 4212-1976 Reagents. Methods for preparation of solutions for colorimetric and nephelometric analysis*， 1976-04-19 Update
GOST 4328-1977 Reagents. Sodium hydroxide. Specifications*， 1977-04-19 Update
GOST 4517-1987 Reagents. Methods for preparation of accessory reagents and solutions used for analysis*， 1987-04-19 Update
GOST 4919.1-1977 Reagents and matters of special purity. Methods for preparation of indicators solutions*， 1977-04-19 Update
GOST 5457-1975 Dissolved acetylene and gaseous acetylene for technical purposes. Specifications*， 2024-04-19 Update
GOST 61-1975 Reagents. Acetic acid. Specifications
GOST 6563-1975 Technical articles made of noble metals and their alloys. Specifications
GOST 6709-1972 Distilled water. Specifications