Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
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Ammonia solution for industrial use — Determination of residue after evaporation at 105 degrees C — Gravimetric method
Testing of carbonaceous materials - Determination of tensile strength - Solid materials
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Testing of carbonaceous materials - Determination of content of dedusting substances in cokes by extraction - Solid materials
Sodium carbonate for industrial use — Preparation and storage of test samples
Sodium carbonate for industrial use — Determination of total soluble alkalinity — Titrimetric method
Sodium carbonate for industrial use — Determination of matter insoluble in water at 50 degrees C
Hydrochloric acid for industrial use — Determination of total acidity — Titrimetric method
Sulphuric acid and oleum for industrial use — Determination of total acidity, and calculation of free sulphur trioxide content of oleum — Titrimetric method
Sodium hydroxide for industrial use — Method of assay
Sodium hydroxide for industrial use — Determination of chloride content — Mercurimetric method
Liquid chlorine for industrial use — Method of sampling (for determining only the volumetric chlorine content)
Cryolite, natural and artificial — Preparation and storage of test samples
Cryolite, natural and artificial — Determination of silica content — Reduced molybdosilicate spectrophotometric method
Sodium and potassium silicates for industrial use — Samples and methods of test — General
