HG/T 5623-2019
HG/T 3678-2010
p-Sulfanilic acid
HG/T 3463-2000
Chemical reagent Arsenazo Ⅲ
HG/T 5804-2021
D-(-)-para-hydroxyphenylglycine
HG/T 2746-2010
Sodium sulphanilate
HG/T 6250-2023
HG/T 3936-2007
D(-)Alpha-Parahydroxyphenylglycine Dane Salt(Methyl Potassium)
ASTM E1899-02
Standard Test Method for Hydroxyl Groups Using Reaction with p-Toluenesulfonyl Isocyanate (TSI) and Potentiometric Titration with Tetrabutylammonium Hydroxide
ASTM E1899-97
Standard Test Method for Hydroxyl Groups Using Reaction with p-Toluenesulfonyl Isocyanate (TSI) and Potentiometric Titration with Tetrabutylammonium Hydroxide
HG/T 5694\uff5e5697-2020
HG/T 3678-2000
p-Sulfanilic Acid
T/QGCML 4395-2024
HG/T 2746-1996
ASTM E326-96
Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)
HG/T 5803\uff5e5806-2021
SN/T 4137-2015
Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export - LC-MS/MS method
GB 1261-1977
Basic chemical reagents(volumetry)--Anhydrous paramino-phenyl-sulfonic acid
T/SDSCCE 039-2022
T/SDSCCE 038-2022
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