GB/T 1400-2014
Chemical reagent―Hexamethylene tetramine
SN/T 5598-2024
HG/T 4144-2024
GB/T 9015-1998
Hexamethylene tetramine for industrial use
GB/T 15045-2013
Fatty alkyl dimethyl tertiary amines
HG/T 4144-2010
Di-n-butylamine for industrial use
GB/T 26458-2011
Fatty alkyl dimethyl amine oxides
HG/T 3538-2011
SH 2604.02-2003
Water treatment chemicals-solidum(ethylenedinitrilo)-tetramethylenephosphate
HG/T 4329-2012
Water treatment chemical-Ethylene diamine tetra (methylene phosphonic) penta sodium salt
GB/T 25254-2022
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use
GB 12593-2007
Working chemical - Ethylenediaminetetraacetic acid disodium salt
HG/T 5867\uff5e5868-2021
GB 10734-2008
Primary chemical - Ethylenediamine tetraacetic acid disodium salt
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
GB/T 1401-1998
Chemical reagent--Ethylenediamine tetraacetic acid disodium salt
HG/T 3457-2024
HG/T 6142-2023
QB/T 4534-2013
Fatty alkylamidopropyldimethyl amines