Home / Standards / GB/T 7304-2014 GB/T 7304-2014 Active Standard test method for acid number of petroleum products by potentiometric titration 石油产品酸值的测定 电位滴定法 Standard Type GBT ICS 75.080 CCS E30 Status 现行 Issue Date 2013-12-13 Implementation 2014-06-01 Responsible Dept 国家标准委 Drafting Unit N/A