HG/T 5502-2018
N -Methyl-4- (p -formylstyryl) pyridiniuID methyl sulfate
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
NY/T 4093-2022
HG/T 6251-2023
HG/T 4711-2014
HG/T 5805-2021
D-dihydrophenylglycine methyl sodium Dane salt
HG/T 5501\uff5e5504-2018
HG/T 4328-2012
Water theatment chemical-Sodium salt of aminotrimethylene phosphonic acid
GB/T 40950-2021
Determination of alkyl (C12~C22) trimethyl ammonium salt in cosmetics—High performance liquid chromatography tandem mass spectrometry
QB/T 5633.6-2022
GB 1886.347-2021
HG/T 5803\uff5e5806-2021
GB 1886.68-2015
HG/T 4330-2012
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
GB/T 33317-2016
Plastics—Phenolic resins—Determination of hexamethylenetetramine content—Kjeldahl method,perchloric acid method and hydrochloric acid method
NY/T 3423-2019
Fertilizer synergists-Determination of 3,4-dimethyl-pyrazole phosphate(DMPP) content
SY/T 5093-1992
HG/T 2335-2003
Photographic chemicals 2[(4-Amino-3-methylphenyl)ethylamino]-ethanol sulfate(CD-4)
20240389-T-608
Textiles —Determination of polyhexamethylene biguanide hydrochloride
HG/T 2417-1993