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Citation: SHEN Hao-Yu, SUN Mei-Na, LU Wen-Chuan, NIU Wei, YAO Yu-Liang. Simultaneous Determination Multi-brighteners in Ni-plating Bath for Sintered NdFeB Magnets Plating by HPLC-DAD-ELSD Method[J]. Chinese Journal of Applied Chemistry, ;2008, 25(10): 1246-1248. shu

Simultaneous Determination Multi-brighteners in Ni-plating Bath for Sintered NdFeB Magnets Plating by HPLC-DAD-ELSD Method

1.
a Analysis and Testing Center, Ningbo Institute of Technology, Zhejiang University, Ningbo 315100;
2.
b Ningbo Konit Industries Inc., Ningbo

Received Date: 8 October 2007
Available Online: 26 February 2008
Fund Project: 宁波市科技攻关资助项目(2007B10017) (2007B10017)浙江省科技基础平台研究项目(2007F0045) (2007F0045)

Analysis of multi-brighteners in Ni-plating bath for sintered NdFeB magnets plating by HPLC-DAD-ELSD method is reported.The method is fast and easy to be operated,with broad linear range,good reprodu-cibility,and low interference.Overall recoveries of all the studied brighteners were 92%~101% with RSD values less than 10%.The present method was used for quality control of the plating bath in the production process with favorable results and accurate information.
- HPLC-DAD-ELSD,
- sintered NdFeB magnets,
- brightening Ni-plating,
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