China 'GB/T 42424-2023
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 42424-2023
Determination of 11 permitted hair dyes including 5-amino-6-chloro-o-cresol in hair dye products by liquid chromatography-mass spectrometry 染发产品中5-氨基-6-氯-邻甲酚等11种准用染发剂的测定 液相色谱质谱法
Issued Date:2023/3/17
Implemented Date:2023/10/1
Issued by:
The Standardization Administration of the People's Republic of China