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ISO 2762:1973

Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric method
1. 11. 1973.

Опште информације

90.93     29. 11. 2023.

ISO

ISO/TC 47

Međunarodni standard

71.060.30  

francuski   engleski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

Apstrakt

The turbidimetric method is applicable to products containing less than 0.1 % (m/m) of soluble sulphates. The principle consists in evaporation of a test portion to dryness and solution of the residue in hydrochloric acid. Measurement of the turbidity obtained by precipitation, under well defined conditions, of barium sulphate. Has also been approved by the IUPAC.

Životni ciklus

TRENUTNO

OBJAVLJEN
ISO 2762:1973
90.93 Odluka o potvrđivanju standarda
29. 11. 2023.