ISO 7537:1997现行
Petroleum products - Determination of acid number - Semi-micro colour-indicator titration method
出版：International Organization for Standardization
专家解读视频
DIN 51558-2 (1990-03) - Identical
DIN 51558-3 (1983-10) - Identical
NBN ISO 7537:2002 - Identical
JIS K 2514:1996 - Equivalent
NEN ISO 7537:1997 - Identical
DIN 51558-1 (1979-07) - Identical
DIN 53402 (1990-09) - Similar
BS 7393:1990 - Equivalent
IP 431:1998 (R2004) - Identical
BS 2000-431:1998 - Equivalent
