GB/T 30921.1-2014
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 30921.1-2014
Test method of purified terephthalic acid (PTA) for industrial use―Part 1:Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL) 工业用精对苯二甲酸(PTA)试验方法 第1部分:对羧基苯甲醛(4-CBA)和对甲基苯甲酸(p-TOL)含量的测定
Issued Date:2014-07-08
Implemented Date:2014-12-01
Issued by:
The Standardization Administration of the People's Republic of China