HG/T 3398-2003
O-Hydroxybenzoic acid(Salicylic acid)
T/CRIAC 0082-2023
SN/T 4137-2015
Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export - LC-MS/MS method
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
KS M ISO 4327-2003(2023)
Non-ionic surface active agents-Polyalkoxylated derivatives -Determination of hydroxyl value-Phthalic anhydride method
ISO 6796:1981
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
UNE 55717:1984
SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
ASTM E326-96
Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)
ISO 4327:1979
Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method
ASTM D1651-59T(1976)
Method of Test for Phthalic Acid Isomers and Benzoic Acid in Alkyd Resins and Esters (Withdrawn 1980)