ISO 2070:1981

For ISO 2070:1981, item title is Aluminium oxide primarily used for the production of aluminium — Determination of calcium content — Naphthalhydroxamic acid spectrophotometric method; status code is 9599; successor is ISO 2070:1997; withdrawn / published date is 1981-08-01, recorded from its source on 2026-08-05.

Identifier: ISO 2070:1981 verified
Item title: Aluminium oxide primarily used for the production of aluminium — Determination of calcium content — Naphthalhydroxamic acid spectrophotometric method verified
Status code: 9599 verified
Successor: ISO 2070:1997
Withdrawn / published date: 1981-08-01 verified

Sourceisopublicstorageprod.blob.core.windows.net

Verified2026-08-05

Review by2027-02-01

DatasetWithdrawn and superseded ISO standards

What the source says

6853,IS,,ISO 2070:1981,Aluminium oxide primarily used for the production of aluminium — Determination of calcium content — Naphthalhydroxamic acid spectrophotometric method,Oxyde d'aluminium principalement utilisé pour la production de l'aluminium — Dosage du calcium — Méthode spectrophotométrique à l'acide naphtalhydroxamique,1981-08-01,1,['71.100.10'],ISO/TC 226,9599,,[26265],"['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.