标准号:STAS 4947-1977
中文标准名称:润滑油.游离碱测定
英文标准名称:Lubricating greases DETERMINATION OF FREE ALKALI
发布日期:1977/4/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1 Prezentul standard stabile?te metodele de determinare a alcaliilor libere din unsorile consistente.
2 Alcaliile libere se determin? prin dou? metode:
— metoda I, cu extrac?ie ?n eter de petrol,
— metoda II, cu extrac?ie ?n n-hexan, ?n caz d