WS/T10017-2024
GB/T 15507-1995
Water quality--Determination of hydrazine--p-Dimetylaminobenzaldehyde spectrophotometric method
HG/T 5886\uff5e5889-2021
GB/T 14375-1993
Water quality--Determination of monomethyl hydrazine--p-Dimethylaminobenzaldehyde spectrophotometric method
HY/T 0347-2022
Determination of seawater trace ammonium—Flow analysis,solid phase extraction and o-phthaldialdehyde fluorescence detection
KS M 8555-2005(2023)
p-Dimethylaminobenzaldehyde
GB/T 37640-2019
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography
KS M 8555-2005(2018)
p-Dimethylaminobenzaldehyde
GB/T 30921.1-2014
Test method of purified terephthalic acid (PTA) for industrial use―Part 1:Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL)
20060430-T-467
SH/T 1612.6-1995
ASTM D7881-20e1
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7883-20
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
KS M ISO 4327-2003(2023)
Non-ionic surface active agents-Polyalkoxylated derivatives -Determination of hydroxyl value-Phthalic anhydride method
SH/T 1612.7-1995
ISO 6796:1981
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
SH/T 1687-2000
Purified terephthalic acid(PTA) for industrial use--Determination of 4-carboxybenzaldehyde and p-toluic acid--High performance capillary electrophoresis (HPCE)
ASTM D7882-20
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
UNE 55717:1984
SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
ASTM D7884-24
Standard Test Method for Determination of 4-Carboxybenzaldehyde and