ISO/FDIS 3987

Abstract

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.

General information

Status
: Under development

Stage
: Final text received or FDIS registered for formal approval [50.00]
Edition
: 4
Technical Committee :
ISO/TC 28

ICS :
75.100
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