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Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
90.93 Standard confirmed
Sodium chloride for industrial use — Determination of halogens, expressed as chlorine — Mercurimetric method
90.93 Standard confirmed
Sodium chloride for industrial use — Determination of calcium and magnesium contents — EDTA complexometric methods
90.93 Standard confirmed
Sodium chloride for industrial use — Determination of the loss of mass at 110 degrees C
90.93 Standard confirmed
Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric method
90.93 Standard confirmed
Sodium fluoride for industrial use — Determination of water-insoluble matter
90.93 Standard confirmed
Sodium fluoride for industrial use — Determination of moisture content
90.93 Standard confirmed
Sodium fluoride for industrial use — Determination of fluorine content — Modified Willard-Winter method
90.93 Standard confirmed
Ammonium sulphate for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method
90.93 Standard confirmed
Ammonium sulphate for industrial use — Determination of free acidity — Titrimetric method
90.93 Standard confirmed
Phosphoric acid for industrial use — Determination of sulphate content — Method by reduction and titrimetry
90.93 Standard confirmed
Aqueous hydrofluoric acid for industrial use — Sampling and methods of test
90.93 Standard confirmed
Aqueous hydrofluoric acid for industrial use — Sampling and methods of test — Amendment 1
60.60 Standard published
Sampling of chemical products for industrial use — Safety in sampling
90.93 Standard confirmed
Sodium hydroxide for industrial use — Determination of carbonates content — Titrimetric method
90.93 Standard confirmed
Sodium chlorate for industrial use — Determination of chlorate content — Dichromate titrimetric method
90.93 Standard confirmed
Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
90.93 Standard confirmed