ISO 984:1974
For ISO 984:1974, item title is Sodium hydroxide for industrial use — Determination of silica content — Reduced silico-molybdic complex photometric method; status code is 9599; successor is ISO/CD 984; withdrawn / published date is 1974-12-01, recorded from its source on 2026-08-05.
- Identifier
- ISO 984:1974 verified
- Item title
- Sodium hydroxide for industrial use — Determination of silica content — Reduced silico-molybdic complex photometric method verified
- Status code
- 9599 verified
- Successor
- ISO/CD 984
- Withdrawn / published date
- 1974-12-01 verified
Verified
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What the source says
5424,IS,,ISO 984:1974,Sodium hydroxide for industrial use — Determination of silica content — Reduced silico-molybdic complex photometric method,Hydroxyde de sodium à usage industriel — Dosage de la silice — Méthode photométrique au complexe silicomolybdique réduit,1974-12-01,1,['71.060.40'],ISO/TC 47,9599,,[5425],"['en','fr']",3,"<p>The method is applicable to products having silica contents exceeding 10 mg/kg. The principle is based on the formation of yellow oxidized silico-molybdic complex in a strongly acid medium, in the presence of boric acid to suppress interference by fluorides. Selective reduction of this complex with a mixture of aminonaphtholsulphonic acid (4-amino-3-hydroxynapht
— 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