Reference Source

ISO 3698:1976

For ISO 3698:1976, item title is Potassium hydroxide for industrial use — Determination of calcium and magnesium contents — Flame atomic absorption method; status code is 9599; successor is ISO/WD 3698; withdrawn / published date is 1976-12-01, recorded from its source on 2026-08-05.

Identifier
ISO 3698:1976 verified
Item title
Potassium hydroxide for industrial use — Determination of calcium and magnesium contents — Flame atomic absorption method verified
Status code
9599 verified
Successor
ISO/WD 3698
Withdrawn / published date
1976-12-01 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

9172,IS,,ISO 3698:1976,Potassium hydroxide for industrial use — Determination of calcium and magnesium contents — Flame atomic absorption method,Hydroxyde de potassium à usage industriel — Dosages du calcium et du magnésium — Méthode par absorption atomique dans la flamme,1976-12-01,1,['71.060.40'],ISO/TC 47,9599,,[9173],"['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 o

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

Source

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