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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
Reagents - Hydrochloric acid - Determination of iron content - 2,2'-bipyridyle photometric method
90.93 Standard confirmed
Reagents - Hydrochloric acid - Determination of sulphated ash - Gravimetric method
90.93 Standard confirmed
Reagents - Hydrochloric acid - Determination of sulphites content - Iodimetric method
90.93 Standard confirmed
Reagents - Hydrochloric acid - Determination of arsenic content - Silver diethyldithiocarbonate photometric method
90.93 Standard confirmed
Reagents - Hydrochloric acid - Determination of ammonium content - Colorimetric method
90.93 Standard confirmed
Reagents - Hydrochloric acid - Determination of lead content - Flame atomic absorption method
90.93 Standard confirmed
Reagents - Hydrochloric acid - Determination of copper content - Flame atomic absorption method
90.93 Standard confirmed
Reagents - Hydrochloric acid - Determination of zinc content - Flame atomic absorption method
90.93 Standard confirmed