HG/T 5544-2019
Determination of cyanide in cyanide waste liquid
HG/T 5543~5545-2019
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
DIN 51863-2
Testing of gaseous fuels and other gases; determination of hydrogen cyanide content; bromide cyanogen method