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
HG/T 3538-2003
Water treatment chemical-Sodium ethylene diamine tetramethylene phosphonate
GB/T 632-2008
Chemical reagent - Disodium tetraborate decahydrate
GB 6856-2008
pH primary reagent - Sodium tetraborate decahydrate
YS/T 1324-2019
Disodium tetrachloropalladate
GB/T 20435-2006
Octamethylcyclotetrasiloxane
QB/T 2748-2012
GB/T 25254-2022
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use
GB/T 1400-2014
Chemical reagent―Hexamethylene tetramine
HG/T 6342-2024
GB/T 9015-1998
Hexamethylene tetramine for industrial use
GB/T 22407-2008
Photography - Processing chemicals - Specifications for sodium tetraborate decahydrate
HG/T 5624-2019
HG/T 5625-2019
HG/T 5791-2021
2-Methyltetrahydrofuran for industrial use
SH/T 1822-2019
1,2,4,5-Tetramethylbenzene
HG/T 5624\uff5e5627-2019
HG/T 4328-2012
Water theatment chemical-Sodium salt of aminotrimethylene phosphonic acid