ISO 3771:1977

For ISO 3771:1977, item title is Petroleum products — Total base number — Perchloric acid potentiometric titration method; status code is 9599; successor is ISO 3771:1994; withdrawn / published date is 1977-01-01, recorded from its source on 2026-08-05.

Identifier: ISO 3771:1977 verified
Item title: Petroleum products — Total base number — Perchloric acid potentiometric titration method verified
Status code: 9599 verified
Successor: ISO 3771:1994
Withdrawn / published date: 1977-01-01 verified

Sourceisopublicstorageprod.blob.core.windows.net

Verified2026-08-05

Review by2027-02-01

DatasetWithdrawn and superseded ISO standards

What the source says

9291,IS,,ISO 3771:1977,Petroleum products — Total base number — Perchloric acid potentiometric titration method,Produits pétroliers — Détermination de l'indice de base total — Méthode par titrage potentiométrique à l'acide perchlorique,1977-01-01,1,['75.080'],ISO/TC 28,9599,,[21736],"['en','fr']",6,

— 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.