Reference Source

ISO 4691:1985

For ISO 4691:1985, item title is Iron ores — Determination of titanium content — Diantipyrylmethane spectrophotometric method; status code is 9599; successor is ISO 4691:2009; withdrawn / published date is 1985-12-19, recorded from its source on 2026-08-05.

Identifier
ISO 4691:1985 verified
Item title
Iron ores — Determination of titanium content — Diantipyrylmethane spectrophotometric method verified
Status code
9599 verified
Successor
ISO 4691:2009
Withdrawn / published date
1985-12-19 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

10673,IS,,ISO 4691:1985,Iron ores — Determination of titanium content — Diantipyrylmethane spectrophotometric method,Minerais de fer — Dosage du titane — Méthode spectrophotométrique au diantipyrylméthane,1985-12-19,1,['73.060.10'],ISO/TC 102/SC 2,9599,,[45796],"['en','fr']",10,"<p>The method ist applicable to a concentration range of 0,01 to 6,0 % (m/m) of titanium in natural iron ores, and iron ore concentrates and agglomerates including sinter products. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results, and test report. ISO 4691 includes three annexes.</p>"

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

Source

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