
Test method of purified terephthalic acid (PTA) for industrial use—Part 4: Determination of titanium content—Diantipyrylmethane photometric method
NORM herausgegeben am 14.6.2016
Designation standards: GB/T 30921.4-2016
Publication date standards: 14.6.2016
Country: Chinese technical standard
Kategorie: Technische Normen GB