Methods for chemical analysis of synergistic catalysis elements in automotive exhaust catalysisDetermination of cerium, lanthanum, praseodymium, neodymium,barium and zirconium contentsInductively coupled plasma atomic emission spectrometry
NORMA vydaná dňa 28.4.2020
Designation standards: GB/T 38744-2020
Publication date standards: 28.4.2020
Country: Chinese technical standard
Kategória: Technické normy GB