Reference Source

ISO 743:1976

For ISO 743:1976, item title is Sodium carbonate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method; status code is 9599; successor is ISO/CD 743; withdrawn / published date is 1976-02-01, recorded from its source on 2026-08-05.

Identifier
ISO 743:1976 verified
Item title
Sodium carbonate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method verified
Status code
9599 verified
Successor
ISO/CD 743
Withdrawn / published date
1976-02-01 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

4995,IS,,ISO 743:1976,Sodium carbonate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method,Carbonate de sodium à usage industriel — Dosage des sulfates — Méthode gravimétrique à l'état de sulfate de baryum,1976-02-01,1,['71.060.50'],ISO/TC 47,9599,,[4996],"['en','fr']",3,"<p>The principle in dissolution of a test portion and separation of the insoluble matter. Precipitation of sulphate as barium sulphate in dilute hydrochloric acid medium. Separation of the precipitate obtained and ignition at 800 °C +- 25 °C and weighing. The method is applicable to products having a sodium sulphate content equal to or greater than 0,01 % (m/m). Replaces ISO Recommend

isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

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