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Reagents - Ammonia solution - Technical requirements - Amendment
60.60 Standard published
Reagents - Potassium dicianoargentate - Technical requirements
60.60 Standard published
Reagents - Oxalic acid dihydrate - Technical requirements
60.60 Standard published
Reagents - Citric acid monohydrate - Technical requirements
60.60 Standard published
Reagents - Hydrochloric acid - Determination of appearance
90.93 Standard confirmed
Reagents - Hydrochloric acid - Determination of total acidity - Titrimetric method
90.93 Standard confirmed
Reagents - Hydrochloric acid - Determination of absolute density - Hydrometer method
90.93 Standard confirmed
Reagents - Hydrochloric acid - Determination of free chlorine content - O-tolidine colorimetric method
90.93 Standard confirmed
Reagents - Hydrochloric acid - Determination of sulphates content - Turbidimetric method
90.93 Standard confirmed