Reference Source

ISO 553:1981

For ISO 553:1981, item title is Manganese ores — Determination of vanadium content — Titrimetric method and phosphotungstovanadate photometric method; status code is 9599; successor is ISO/CD 553; withdrawn / published date is 1981-11-01, recorded from its source on 2026-08-05.

Identifier
ISO 553:1981 verified
Item title
Manganese ores — Determination of vanadium content — Titrimetric method and phosphotungstovanadate photometric method verified
Status code
9599 verified
Successor
ISO/CD 553
Withdrawn / published date
1981-11-01 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

4633,IS,,ISO 553:1981,Manganese ores — Determination of vanadium content — Titrimetric method and phosphotungstovanadate photometric method,Minerais de manganèse — Dosage du vanadium — Méthode titrimétrique et méthode photométrique à l'état de phospho-vanado-tungstate,1981-11-01,2,['73.060.20'],ISO/TMBG,9599,,[4634],"['en','fr']",4,"<p>Method I is applicable to manganese ores having vanadium contents greater than 0.05 % (m/m), method II is applicable to manganese ores having vanadium contents less than 0.05 % (m/m). This second edition cancels and replaces the first edition (i.e. ISO 553-1975). Should be read in conjunction with ISO 4297.</p>"

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

Source

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