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)
ASTM D7881-20e1
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7883-20
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7882-20
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7884-24
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
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 D7884-20
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7884-19
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7883-13
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7884-13
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
HG/T 5888-2021
Terephthaldicarboxaldehyde
ASTM D7882-19
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7884-23
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7882-13
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