ISO/R 311:1963

For ISO/R 311:1963, item title is Methods of chemical analysis of manganese ores — Determination of silicon dioxide; status code is 9599; successor is ISO 5890:1981; withdrawn / published date is 1963-07-01, recorded from its source on 2026-08-05.

Identifier: ISO/R 311:1963 verified
Item title: Methods of chemical analysis of manganese ores — Determination of silicon dioxide verified
Status code: 9599 verified
Successor: ISO 5890:1981
Withdrawn / published date: 1963-07-01 verified

Sourceisopublicstorageprod.blob.core.windows.net

Verified2026-08-05

Review by2027-02-01

DatasetWithdrawn and superseded ISO standards

What the source says

4250,R,,ISO/R 311:1963,Methods of chemical analysis of manganese ores — Determination of silicon dioxide,Méthodes d'analyse chimique des minerais de manganèse — Détermination de la silice (bioxyde de silicium),1963-07-01,1,['73.060.20'],ISO/TC 65,9599,,[12089],"['en','fr']",4,

— 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.