Analysis for Phosphorus in Alloy Deposit Films by Isotachophoresis

Isotachophoresis was applied to the quantitative analysis of phosphorus in Ni-P and Co-P alloy deposits, thereby increasing the speeding of analysis. Sample fimls were dissolved in a solution of 40%HNO3 and the solution was demineralized by electrodialysis using an ion-exchange membranes. This pretr...

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Bibliographic Details
Published inHyōmen gijutsu Vol. 40; no. 3; pp. 467 - 471
Main Authors TANAKA, Tetsuro, KOJIMA, Kayoko, SHINOHARA, Nagamasa
Format Journal Article
LanguageEnglish
Japanese
Published Tokyo The Surface Finishing Society of Japan 01.01.1989
Japan Science and Technology Agency
Subjects
Co-P Alloy
Isotachophoresis
Ni-B Alloy
Ni-P Alloy
Phosphorus
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ISSN0915-1869
1884-3409
1884-3409
DOI10.4139/sfj.40.467

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Summary:Isotachophoresis was applied to the quantitative analysis of phosphorus in Ni-P and Co-P alloy deposits, thereby increasing the speeding of analysis. Sample fimls were dissolved in a solution of 40%HNO3 and the solution was demineralized by electrodialysis using an ion-exchange membranes. This pretreatment redurced the timer equired for analysis to less than 1 hour. Isotachophoresis resulted in higher accuracy and reproducibility than could be obtained with other analytical methods, and it is also applicable to the analysis of boron in such alloy deposit films.
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ISSN:0915-1869
1884-3409
1884-3409
DOI:10.4139/sfj.40.467