HB/Z 5095.1-2004
Methods for analysis of cyaniding plating brass solutions-part 1:Continual determination of copper(Ⅱ) cyanate and zinc oxide content by EDTA volumetric method
GB/T 23834.4-2009
Chemical analysis method for stannous sulfate - Part 4: Determination of lead and copper content - Flame atomic absorption spectrometry
YS/T 1416-2021
Methods for chemical analysis of nickel monoxide—Determination of copper, iron, zinc, calcium, magnesium, sodium, cobalt,cadmium,manganese and sulphur contents—Inductively coupled plasma atomic emission spectrometry
QJ 913.3-1985