China 'GB/T 40459-2021
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 40459-2021
Qualitative screening of multi plant growth regulators in fertilizers—Liquid chromatography-tandem mass spectrometry method 肥料中多种植物生长调节剂的定性筛选 液相色谱-质谱联用法
Issued Date:2021/8/20
Implemented Date:2022/3/1
Issued by:
The Standardization Administration of the People's Republic of China