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ISO 1249
Zinc chromate pigments; Basic zinc potassium chromate pigments and zinc tetrahydroxychromate pigments
Edition
1974-09
ISO 1689
Sodium and potassium silicates for industrial use; Calculation of the ratio: silicon dioxide/sodium oxide or silicon dioxide/potassium oxide
Edition
1976-02
ISO 1690
Sodium and potassium silicates for industrial use; Determination of silica content; Gravimetric method by insolubilization
Edition
1976-02
ISO 1691
Sodium and potassium silicates for industrial use; Determination of carbonates content; Gas-volumetric method
Edition
1976-07
ISO 1692
Sodium and potassium silicates for industrial use; Determination of total alkalinity; Titrimetric method
Edition
1976-04
ISO 4571
Manganese ores and concentrates; Determination of potassium and sodium content; Flame atomic emission spectrometric method
Edition
1981-03
ISO 7969
Manganese ores and concentrates; Determination of sodium and potassium contents; Flame atomic absorption spectrometric method
Edition
1985-11
ISO 5317
Fertilizers; Determination of water-soluble potassium content; Preparation of the test solution
Edition
1983-05
ISO 7407
Fertilizers; Determination of acid-soluble potassium content; Preparation of the test solution
Edition
1983-05
ISO 2122
Sodium and potassium silicates for industrial use; Preparation of solution of products not easily soluble in boiling water and determination of matter insoluble in water
Edition
1972-06