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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
Liquid chlorine for industrial use — Determination of the content of chlorine by volume in the vaporized product
90.93 Standard confirmed
Liquid chlorine for industrial use — Determination of water content — Gravimetric 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 hydrogen carbonate for industrial use — List of methods of test and preparation of the test sample
90.93 Standard confirmed
Sodium hydrogen carbonate for industrial use — Determination of sodium hydrogen carbonate content — Titrimetric method
90.93 Standard confirmed
Liquid halogenated hydrocarbons for industrial use — Sampling
90.93 Standard confirmed
Liquid chemical products — Measurement of colour in Hazen units (platinum-cobalt scale)
90.93 Standard confirmed
Formaldehyde solutions for industrial use — Determination of formaldehyde content
90.93 Standard confirmed
Sodium hydrogen carbonate for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method
90.93 Standard confirmed
Sodium chlorate for industrial use — Determination of matter insoluble in water
90.93 Standard confirmed
Sodium chlorate for industrial use — Determination of moisture content — Gravimetric method
90.93 Standard confirmed
Sodium chlorate for industrial use — Determination of chloride content — Mercurimetric method
90.93 Standard confirmed
Potassium hydroxide for industrial use — Sampling — Test sample — Preparation of the main solution for carrying out certain determinations
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