HB/Z 5088.1-1999
HB/Z 5089.3-2004
Methods for analysis of plating black nickel solutions-Part 3:Continual determination of nickel sulfate and zinc sulfate content by EDTA compleximetric method
HB/Z 5089.2-2004
Methods for analysis of plating black nickel solutions-Part 2:Continual determination of nickel sulfate and zinc sulfate content by magnesium sulfate back titrimetric EDTA volumetric method
T/CNIA 0049.1-2020
T/CNIA 0049.2-2020
T/CNIA 0049.3-2020
HB/Z 5089.1-2004
Methods for analysis of plating black nickel solutions-Part 1:Determination of ammonium nickel sulfate content by ion selective electrode method
HB/Z 5087.5-2004
Methods for analysis of acid plating copper solutions part 5:Determination of nickel sulfate content by atomic absorption spectrometric method
DB22/T 1693-2012