ISO 3198:1975
For ISO 3198:1975, item title is Sodium hydroxide for industrial use — Determination of sulphur compounds — Method by reduction and titrimetry; status code is 9599; successor is ISO/CD 3198; withdrawn / published date is 1975-08-01, recorded from its source on 2026-08-05.
- Identifier
- ISO 3198:1975 verified
- Item title
- Sodium hydroxide for industrial use — Determination of sulphur compounds — Method by reduction and titrimetry verified
- Status code
- 9599 verified
- Successor
- ISO/CD 3198
- Withdrawn / published date
- 1975-08-01 verified
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What the source says
8395,IS,,ISO 3198:1975,Sodium hydroxide for industrial use — Determination of sulphur compounds — Method by reduction and titrimetry,Hydroxyde de sodium à usage industriel — Dosage des composés soufrés — Méthode par réduction et titrimétrie,1975-08-01,1,['71.060.40'],ISO/TC 47,9599,,[8396],"['en','fr']",6,"<p>Applicable to products the content of which, expressed as sulphate, is equal or more than 5 mg/kg. The principle consists in the reduction of the sulphur compounds to hydrogen sulphide by heating with a mixture of hydriodic acid and hypophosphorous acid. Distillation of the hydrogen sulphide by a current of oxygen-free nitrogen in a mixture of sodium hydroxide and acetone. Titration of
— isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05
Source
- isopublicstorageprod.blob.core.windows.nethttps://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv