GB/T 37640-2019
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography
ASTM D7881-20e1
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7883-20
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
WS/T10017-2024
ASTM D7881-20
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7881-19
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
HG/T 5888-2021
Terephthaldicarboxaldehyde
ASTM D7881-13
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7883-19
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7883-13
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 15336-2013
Phthalic anhydride
GB/T 15507-1995
Water quality--Determination of hydrazine--p-Dimetylaminobenzaldehyde spectrophotometric method
GB/T 11405-2006
Dibutylphthalate for industrial use
GB/T 11406-2001
Di-(2-ethylhexyl)phthalate for industrial use
HG/T 5886\uff5e5889-2021
GB/T 31516-2015
Classification method for the hazardous characterisitics of phthalic anhydride
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
HG/T 6146-2023
GB 6857-2008
pH primary reagent - Potassium hydrogen phthalate