DB5328/T 26-2023
DB53/T 1264-2024
DB50/T 642-2015
DB5328/T 25-2023
DB35/T 2033-2021
DB51/T 2561-2018
DB45/T 1630-2017
GB/T 22269-2008
Turmeric - Determination of coloring power - Spectrophotometric method
DB50/T 643-2015
GB 1886.60-2015
20221127-T-442
Turmeric
GB 1886.76-2015
DB13/ 442-2000
T/CFAA 0006-2021
GB/T 223.75-2008
Iron,steel and alloy - Determination of boron content - Methanol distillation-curcumin photometric method
SL 90-1994
Determination of boron (Curcumin method)
GB/T 11839-2008
Determination of boron in uranium dioxide pellets by curcumin extraction spectrophotometric method
YB/T 5147-2017
Carbon materials-Determination of boron content-Curcumin-oxalic acid colorimetric method
DB13/ 440-2000
DB13/ 441-2000