GB 6857-2008
pH primary reagent - Potassium hydrogen phthalate
GB 1257-2007
Working chemical - Potassium hydrogen phthalate
GB 10730-2008
Primary chemical - Potassium hydrogen phthalate
HG/T 5805-2021
D-dihydrophenylglycine methyl sodium Dane salt
T/ZZB 3767-2024
T/ZXJY 010-2023
T/ZAQ 10114-2022
T/ZZB Q064-2022
HG/T 5803\uff5e5806-2021
HG/T 5344\uff5e5349-2018
GB 6857-1986
pH Basic line Potassium hydrogen phthalate
GB 1257-1989
Working chemical Potassium hydrogen phthalate
GB 10730-1989
Primary chemical—Potassium hydrogen phthalate
HG/T 5274~5276-2017
SN/T 3920-2014
Determination of hydroquinone,salicylic acid,phenol,2-phenoxyethanol,methyl 4-hydroxybenzoic acid easters,dichlorophen and triclosan in cosmetics for export-Liquid chromatography method
GB/T 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
T/QLMZ 15-2024
T/CHCIA 016-2023
T/BPSPA 0016-2022
GB/T 6276.7-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 7:Arsenic content—Silver diethyl dithiocarbamate photometric method