ISO 6619 : 1988(R2018)现行
PETROLEUM PRODUCTS AND LUBRICANTS - NEUTRALIZATION NUMBER - POTENTIOMETRIC TITRATION METHOD
出版：International Organization for Standardization
专家解读视频
Provides a method for the determination of acidic constituents in products soluble or nearly soluble in mixtures of toluene and propan-2-ol.
PN ISO 6619 : 2011 - Identical
NBN ISO 6619 : 2002 - Identical
GOST ISO 6619 : 2013 - Identical
PN ISO 6619 : 2011 - Identical
GOST ISO 6619 : 2013 - Identical
NBN ISO 6619 : 2002 - Identical
