ISO 312:1980

For ISO 312:1980, item title is Manganese ores — Determination of active oxygen content, expressed as manganese dioxide — Volumetric method; status code is 9599; successor is ISO 312:1986; withdrawn / published date is 1980-05-01, recorded from its source on 2026-08-05.

Identifier: ISO 312:1980 verified
Item title: Manganese ores — Determination of active oxygen content, expressed as manganese dioxide — Volumetric method verified
Status code: 9599 verified
Successor: ISO 312:1986
Withdrawn / published date: 1980-05-01 verified

Sourceisopublicstorageprod.blob.core.windows.net

Verified2026-08-05

Review by2027-02-01

DatasetWithdrawn and superseded ISO standards

What the source says

4251,IS,,ISO 312:1980,"Manganese ores — Determination of active oxygen content, expressed as manganese dioxide — Volumetric method","Minerais de manganèse — Dosage de l'oxygène actif, exprimé en dioxyde de manganèse — Méthode volumétrique",1980-05-01,2,['73.060.20'],ISO/TC 65,9599,,[4252],"['en','fr']",2,

— 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

Last verified against source: 2026-08-05. Due for re-check by 2027-02-01. This page as Markdown · OKF bundle · full dataset as JSON.