GB/T 6730.35-2016
Iron ores—Determination of copper content—Oxalic acid bis-cyclohexylidene hydragide (cuprizone) spectrophotometric method
GB/T 7731.3-2008
Ferrotungsten - Determination of copper content - Bis(cyclohexanone)oxalyldihydrazone photometric method and flame atomic absorption spectrometric method
YB/T 4936-2021
DL/T 502.14-2006
Analytical methods of steam and water in power plants Part 14:Determination of copper (Spectrometric method using dicyclohexanoneoxalyldihydrazone)
JB/T 6237.2-2008
Test methods for chemical analysis of silver powder for electric contact material-Part 2:Determination of copper content
GB/T 7731.3-1987
Methods for chemical analysis of ferrotungsten--The bis (cyclohexanone) oxalyldihydrazone photometric method for the determination of copper content
GB/T 6730.35-1986
Methods for chemical analysis of iron ores The oxalic acid bis-cyclohexylidene hydragide (cuprizone) photometric method for the determination of copper content
YS/T 953.7-2014
Methods for chemical analysis of fire smelting nickel substrate material—Part 7: Determination of copper content—BCO spectrophotometric method and flame atomic absorption spectrometric method