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STUDY ON THE BEHAVIOR OF ELECTROPLATING Zn-Fe-P ALLOY |
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浙江大学玉泉求是村留博楼2005# |
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Abstract A new formula containing H3PO3 as phosphorus so urce of Zn-Fe-P electrodeposits was reported.The results showed that the content s of the phosphorus and the iron in the electrodeposits change synchronously.The electrochemical behavior of H3PO3 and Fe2+ in the electroplating solu tion has been investigated by cyclic voltammetry, it was shown that they promote s the reduction of each other and which has been studied in the view of quantum chemistry firstly.The theoretical results showed that, because the orbit radius of 4s of Fe is shorter than that of Zn, the overlapping integral of iron and pho sphorus(sFe-P) is smaller than that of zinc and phosphorus(sZn-P) wh ich results in the synchronous variation of the contents of the phosphorus and t he iron in the electrodeposits, and which also showed that the cooperative effec t of phosphorus and iron series metal.
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Received: 02 August 2000
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