Projects

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Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method

90.93 Standard confirmed

ISO/TC 47

Sodium chloride for industrial use — Determination of halogens, expressed as chlorine — Mercurimetric method

90.93 Standard confirmed

ISO/TC 47

Sodium chloride for industrial use — Determination of calcium and magnesium contents — EDTA complexometric methods

90.93 Standard confirmed

ISO/TC 47

Sodium chloride for industrial use — Determination of the loss of mass at 110 degrees C

90.93 Standard confirmed

ISO/TC 47

Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric method

90.93 Standard confirmed

ISO/TC 47

Sodium fluoride for industrial use — Determination of water-insoluble matter

90.93 Standard confirmed

ISO/TC 47

Sodium fluoride for industrial use — Determination of moisture content

90.93 Standard confirmed

ISO/TC 47

Sodium fluoride for industrial use — Determination of fluorine content — Modified Willard-Winter method

90.93 Standard confirmed

ISO/TC 47

Ammonium sulphate for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method

90.93 Standard confirmed

ISO/TC 47

Ammonium sulphate for industrial use — Determination of free acidity — Titrimetric method

90.93 Standard confirmed

ISO/TC 47

Phosphoric acid for industrial use — Determination of sulphate content — Method by reduction and titrimetry

90.93 Standard confirmed

ISO/TC 47

Anhydrous hydrogen fluoride for industrial use — Sampling

90.93 Standard confirmed

ISO/TC 47

Aqueous hydrofluoric acid for industrial use — Sampling and methods of test

90.93 Standard confirmed

ISO/TC 47

Aqueous hydrofluoric acid for industrial use — Sampling and methods of test — Amendment 1

60.60 Standard published

ISO/TC 47

Sampling of chemical products for industrial use — Safety in sampling

90.93 Standard confirmed

ISO/TC 47

Sodium hydroxide for industrial use — Determination of carbonates content — Titrimetric method

90.93 Standard confirmed

ISO/TC 47

Sodium chlorate for industrial use — Determination of chlorate content — Dichromate titrimetric method

90.93 Standard confirmed

ISO/TC 47

Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation

90.93 Standard confirmed

ISO/TC 47