ISO 3697:1976
For ISO 3697:1976, item title is Sodium hydroxide for industrial use — Determination of calcium and magnesium contents — Flame atomic absorption method; status code is 9599; successor is ISO/CD 3697; withdrawn / published date is 1976-11-01, recorded from its source on 2026-08-05.
- Identifier
- ISO 3697:1976 verified
- Item title
- Sodium hydroxide for industrial use — Determination of calcium and magnesium contents — Flame atomic absorption method verified
- Status code
- 9599 verified
- Successor
- ISO/CD 3697
- Withdrawn / published date
- 1976-11-01 verified
Verified
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What the source says
9170,IS,,ISO 3697:1976,Sodium hydroxide for industrial use — Determination of calcium and magnesium contents — Flame atomic absorption method,Hydroxyde de sodium à usage industriel — Dosages du calcium et du magnésium — Méthode par absorption atomique dans la flamme,1976-11-01,1,['71.060.40'],ISO/TC 47,9599,,[9171],"['en','fr']",4,"<p>Applicable to products having contents of more than 2.5 mg Ca/kg and 0.5 mg Mg/kg if an acetylene-air flame is used or 0.6 mg Ca/kg and 1.0 mg Mg/kg if an acetylen-dinitrogen monoxide flame is used. The principle consists in the acidification of a test portion with hydrochloric acid, aspiration of the solution into an acetylene-dinitrogen monoxide flame or acet
— 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