Final Draft International Standard
ISO/FDIS 3987
Petroleum products — Determination of sulfated ash in lubricating oils and additives and fatty acid methyl esters
Reference number
ISO/FDIS 3987
Edición 4
Final Draft
International Standard
u
ISO/FDIS 3987
86893
Este borrador está en fase de aprobación.
Reemplazará ISO 3987:2010

Resumen

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.

Informaciones generales

  •  : En desarrollo
    : Texto final recibido o FDIS registrado para su aprobación formal [50.00]
  •  : 4
  • ISO/TC 28
    75.100 
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