ISO 997:1976
For ISO 997:1976, item title is Potassium hydroxide for industrial use — Determination of calcium content — EDTA (disodium salt) complexometric method; status code is 9599; successor is ISO/CD 997; withdrawn / published date is 1976-05-01, recorded from its source on 2026-08-05.
- Identifier
- ISO 997:1976 verified
- Item title
- Potassium hydroxide for industrial use — Determination of calcium content — EDTA (disodium salt) complexometric method verified
- Status code
- 9599 verified
- Successor
- ISO/CD 997
- Withdrawn / published date
- 1976-05-01 verified
Verified
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What the source says
5442,IS,,ISO 997:1976,Potassium hydroxide for industrial use — Determination of calcium content — EDTA (disodium salt) complexometric method,Hydroxyde de potassium à usage industriel — Dosage du calcium — Méthode complexométrique à l'EDTA (sel disodique),1976-05-01,1,['71.060.40'],ISO/TC 47,9599,,[5443],"['en','fr']",3,"<p>The method is applicable to products having a calcium content equal to or greater than 0.002 % (m/m). The principle consists in titration of the calcium with a standard volumetric solution of the disodium salt of (ethylenedinitrilo)tetraacetic acid (EDTA disodium salt) in the presence of 2,2'-(ethylenedinitrilo)diphenol Äglyoxal-bis-(2-hydroxyanil)Ü as indicator, after el
— 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