# ISO 3987:1994 — Withdrawn and superseded ISO standards For ISO 3987:1994, item title is Petroleum products — Lubricating oils and additives — Determination of sulfated ash; status code is 9599; successor is ISO 3987:2010; withdrawn / published date is 1994-12-15, recorded from its source on 2026-08-05. - **Identifier:** ISO 3987:1994 _(verified: appears in the quote below)_ - **Item title:** Petroleum products — Lubricating oils and additives — Determination of sulfated ash _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 3987:2010 - **Withdrawn / published date:** 1994-12-15 _(verified: appears in the quote below)_ ## What the source says > 22415,IS,,ISO 3987:1994,Petroleum products — Lubricating oils and additives — Determination of sulfated ash,Produits pétroliers — Huiles lubrifiantes et additifs — Détermination des cendres sulfatées,1994-12-15,2,['75.100'],ISO/TC 28,9599,[9652],[44979],"['en','fr']",4,"
Cancels and replaces the first edition (1980). Describes a procedure for the determination of the mass percentage of sulfated ash from unused lubricating oils containing additives and from additive concentrates used in compounding. These additives usually contain one or more of the following metals: barium, calcium, magnesium, zinc, potassium, sodium and tin. Not intended for the analysis of used engine oils containing lea ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).