GB/T 37042-2018
Hexamethylene diisocyanate
20240389-T-608
Textiles —Determination of polyhexamethylene biguanide hydrochloride
GB/T 25254-2022
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
HG/T 5396\uff5e5399-2018
HG/T 3777-2023
HG/T 4711-2014
SH 2604.02-2003
Water treatment chemicals-solidum(ethylenedinitrilo)-tetramethylenephosphate
HG/T 4330-2012
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
HG/T 3777-2005
Water treatment chemicals-Diethlenetriamine penamethylene phosphonic acid
T/QGCML 2622-2023
DB43/T 2200-2021
GB/T 39882-2021
Examination methods for methylene dioxymetham phetamine in suspected drugs—Gas chromatography and gas chromatography-mass spectrometry
HG/T 6251-2023
HG/T 3538-2011
HG/T 5868-2021
Technical specification for green-design product assessment-Polytetrarmethylene ether glycol
HG/T 4329-2012
Water treatment chemical-Ethylene diamine tetra (methylene phosphonic) penta sodium salt
GB/T 25254-2010
Poly-(tetra methylene ether glycol) (PTMEG) for industrial
GB/T 2441.9-2010
Determination of urea - Part 9: Methylenediurea content - Spectrophotometric method
T/FDSA 004-2019