Successive Estimation of Cu, P2O7, and PO4 in Copper Pyrophosphate Plating Solution by Using EDTA
Cu; Titrated with EDTA during warm by using PAN as indicator. P2O7; After Cu was estimated, the solution was adjusted at pH=3.8-4.0 with CH3COOH, and made Zn2P2O7 to precipitate by adding Zn. The precipitate was filtered off, and the excess of Zn++ in the filtrate was titrated with EDTA during warm...
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Veröffentlicht in: | Journal of the Metal Finishing Society of Japan 1964/11/20, Vol.15(11), pp.433-436 |
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Format: | Artikel |
Sprache: | jpn |
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