Повучен
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.
ПОВУЧЕН
ISO 3987:1994
ПОВУЧЕН
ISO 3987:2010
95.99
Повучен
16. 9. 2024.
ПОВУЧЕН
ISO 3987:2010/Cor 1:2011
ОБЈАВЉЕН
ISO 3987:2024
Naftni proizvodi — Određivanje sulfatnog pepela u mazivim uljima i aditivima
90.92 Одлука о измени или ревизији стандарда