ISO/R 909:1968
For ISO/R 909:1968, item title is Hydrochloric acid for industrial use — Determination of iron content — 2,2'- Bipyridyl spectrophotometric method; status code is 9599; successor is ISO/CD 909; withdrawn / published date is 1968-12-01, recorded from its source on 2026-08-05.
- Identifier
- ISO/R 909:1968 verified
- Item title
- Hydrochloric acid for industrial use — Determination of iron content — 2,2'- Bipyridyl spectrophotometric method verified
- Status code
- 9599 verified
- Successor
- ISO/CD 909
- Withdrawn / published date
- 1968-12-01 verified
Verified
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What the source says
5314,R,,ISO/R 909:1968,"Hydrochloric acid for industrial use — Determination of iron content — 2,2'- Bipyridyl spectrophotometric method","Acide chlorhydrique à usage industriel — Dosage du fer — Méthode spectrophotométrique au 2,2'- bipyridyle",1968-12-01,1,['71.060.30'],ISO/TC 47,9599,,[5313],"['en','fr']",5,"<p>The principle consists in evaporation of the test portion, taking up by means of hydrochloric acid and reduction of iron(III) by means of hydroxylammonium chloride. Formation of an iron(II)-2.2'-bipyridyl complex in a buffered medium at a pH value between 4.5 and 6. Photometric measurement of the coloured complex at a wavelength of about 522 nm.</p>"
— 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