DS/ISO 3987/Corr. 1:2011
Petroleum products - Determination of sulfated ash in lubricating oils and additives

Standard No.

DS/ISO 3987/Corr. 1:2011

Release Date

2011

Published By

Danish Standards Foundation

Latest

DS/ISO 3987/Corr. 1:2011

Scope

This International Standard 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.Application of this procedure to sulfated ash levels below 0,02 % (m/m) is restricted to oils containing ashless additives. The lower limit of applicability of the procedure is 0,005 % (m/m) sulfated ash.NOTE 1 For the purposes of this Inte

DS/ISO 3987/Corr. 1:2011 history

• 2011 DS/ISO 3987/Corr. 1:2011 Petroleum products - Determination of sulfated ash in lubricating oils and additives
• 2011 DS/ISO 3987:2011 Petroleum products - Determination of sulfated ash in lubricating oils and additives