GB/T 27715-2011
3-methylpyridine for industrial use
HG/T 4482-2012
HG/T 5712-2020
HG/T 6145-2023
HG/T 5615-2019
HG/T 6246-2023
HG/T 6340-2024
HG/T 6251-2023
DB42/T 1720-2021
NY/T 3037-2016
HG/T 5612\uff5e5615-2019
T/CPCIF 0162-2021
NY/T 3141-2017
T/CPCIF 0161-2021
T/CIESC 61-2023
HG/T 5501\uff5e5504-2018
YS/T 226.3-2009
Methods for chemical analysis of selenium—Part 3:Determination of aluminum content—Chrome azurol S-cetyl trimethyl ammonium bromide absorption photometric method
GB/T 11220.1-1989
Determination of uranium in soil--CL-5209 extractant-containing resin separation 2-(5-bromo-2-pyridylazo)-5-diethlaminophenol spectrophotometry
YS/T 520.3-2007
Chemical analysis of gallium—Part 3:Determination of aluminium content—The chromazurol S-tetradecyl pyridine bromide spectrophotometric method
T/CIESC 46-2023