ISO-3987 › Petroleum products - Determination of sulfated ash in lubricating oils and additives
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Included in this current edition are the following subparts:
3RD EDITION - Nov. 15, 2010
3RD EDITION CORRIGENDUM 1 - Feb. 1, 2011
3RD EDITION CORRIGENDUM 1 - Feb. 1, 2011
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.
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Document Number
ISO 3987:2010
Revision Level
3RD EDITION
Status
Current
Publication Date
Nov. 15, 2010
Committee Number
ISO/TC 28