1 too much luminescent agent;
2NaCN too much;
3 There is chromic acid present.
Approach:
1 dilute the plating solution or electrify to reduce the brightener content;
2 plus CuCN and Zn (CN) 2;
3 Treatment of chromic acid impurities by analysis.
Concerned about surprises
Label: Luminescent agent CuCN plating chromic acid brass
Previous: Method and circuit for selective plating on the surface of the board Next: Air compressor equipment input device needs attention
Hyperspectral Camera (line-scanning)
Portable hyperspectral camera,Connect the computer hyperspectral camera,Analyzing data with hyperspectral camera
CHNSpec Technology (Zhejiang)Co.,Ltd , http://www.chnspec2013.com