GB/T 36653-2018
Electronic grade trimethylaluminium
T/DLSHXH 006-2022
HG/T 5589\uff5e5593-2019
HB 5422.4-1989
GB/T 6609.18-2004
Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N,N-dimethyl-P-phenylenediamine spectrophotometric method
GB/T 10267.4-1988
Method for analysis of calcium metal--The determination of aluminium by oxine chloroform extraction photometric method
T/CSTM 00086-2019
YS/T 629.2-2007
Chemical analysis methods of high purity alumina Determination of ferric oxide Orthopenanthroline photometric method extracted with Methyl-iso-butyl ketone
GB/T 32160-2015
Technical methylnaphthalene
GB/T 26026-2010
Methyltin mercaptide
GB/T 24212-2009
Methylnaphthalene oil
GB/T 20375-2006
Modified starch - Determination of content of carboxymethyl groups in carboxymethyl starch
20232621-T-469
Method for analysis of calcium metal—The determination of aluminium by oxine chloroform extraction photometric method
YB/T 4150-2018
HG/T 5400\uff5e5401-2018
YB/T 5070-2014
α-methyl pyridine
QB/T 5060-2017
Fragrance- 2-methylpentyl 2-methylvalerate
HG/T 5728-2020
YB/T 4743-2019
Crude methylphenol
YB/T 4744-2019
4-Methylphenol