GOST 4139-1975 PDF

Scope: This standard applies to potassium thiocyanate, which is colorless crystals (white in bulk), soluble

GOST 4139-1975 Referenced Document

GOST 10555-1975 Reagents and high-purity matters. Colorimetric methods for determination of iron
GOST 10671.4-1974 Reagents. Methods for determination of nitrogen compaunds impurity general content
GOST 10671.5-1974 Reagents. Methods for the determination of sulfates
GOST 10671.7-1974 Reagents. Methods for the determination of chlorides
GOST 1277-1975 Reagents. Silver nitrate. Specifications
GOST 17319-1976 Reagents. Methods for the determination of heavy metals*， 1976-04-19 Update
GOST 1770-1974 Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
GOST 3885-1973 Reagents and superpure substances. Regulations of acceptance, sampling, packing, marking, transportation and storage
GOST 4159-1979 Reagents. Iodine. Specifications*， 1979-04-19 Update
GOST 4204-1977 Reagents. Sulphuric acid. Specifications*， 1977-04-19 Update
GOST 4212-1976 Reagents. Methods for preparation of solutions for colorimetric and nephelometric analysis*， 1976-04-19 Update
GOST 4232-1974 Reagents. Potassium iodide. Specifications
GOST 4461-1977 Reagents. Nitric acid. 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 6709-1972 Distilled water. Specifications