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Sodium and potassium silicates for industrial use — Samples and methods of test — General
90.93 Standard confirmed
Sodium and potassium silicates for industrial use — Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide
90.93 Standard confirmed
Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization
90.93 Standard confirmed
Sodium and potassium silicates for industrial use — Determination of carbonates content — Gas-volumetric method
90.93 Standard confirmed
Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method
90.93 Standard confirmed
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
90.93 Standard confirmed
Sodium chloride for industrial use — Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinations
90.93 Standard confirmed
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
Heavy chemicals - Sodium carbonate, for industrial use (ammonia soda, calcinated soda)
90.93 Standard confirmed
Heavy chemicals - Sodium thiosulphate for industrial use
90.93 Standard confirmed