ISO 3987:2010

Petroleum products — Determination of sulfated ash in lubricating oils and additives

Publication date: Oct 29, 2010

95.99 Withdrawal of Standard Sep 16, 2024

General information

Current stage: 95.99 Effective date: Sep 16, 2024

Originator: ISO

Owner: ISO/TC 28

Type: International Standard

ICS: 75.100

Languages: English

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Status: Withdrawn

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Scope

ISO 3987:2010 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. The elements sulfur, phosphorus and chlorine can also be present in combined form.