烧结NdFeB表面HEDP-焦磷酸钾体系电镀铜工艺及性能研究
王康, 姜建军, 杨丽景, 宋振纶

Copper Electroplating Process and Performance of HEDP-potassium Pyrophosphate System on Sintered NdFeB Surface
WANG Kang, JIANG Jianjun, YANG Lijing, SONG Zhenlun
图3 HEDP电镀体系pH滴定过程
Fig.3 Titration curves of the baths containing different concentrations of CuSO4 (a) and solution states during titration (b)