MUTUAL DETERMINATION OF ORTHOPHOSPHATE AND ARSENATE WITH A DUAL-WAVELENGTH SPECTROPHOTOMETER BASED ON THE FORMATION OF THE HETEROPOLY BLUES
スポンサーリンク
概要
- 論文の詳細を見る
A method is described for the mutual determination of orthophosphate and arsenate by the use of a dual-wavelength spectrophotometer. It is based on the difference in the optical absorption between heteropoly blue formed from orthophosphate and that from arse nate. The difference in absorbances at 825.0 ran and 855.2 nm is prc portional to the concentration of orthophosphate in the range from 1.00 × 10^<-6>M (1 M = 1 mol dm^<-3> ) to 9.00 × 10^<-6>M in the presence of 2.00 × 10^<-5>M arsenate with less than 6% relative error. Arsenate i the presence of 2.00 × 10^<-5>M orthophosphate can also be determined over the range from 1.00 × 10^<-6>M to 9.00 × 10^<-6>M with less than 5% relative error. The effect of various ions on the determinations of orthophosphate and arsenate was examined.
- 社団法人日本分析化学会の論文
- 1982-01-05
著者
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Ohashi Kousaburo
Department Of Chemistry Faculty Of Science Ibaraki University
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Ohashi Kousaburo
Department Of Achemistry Faculty Of Science Ibaraki University
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Yamada Kinya
Department Of Chemistry Faculty Of Science Ibaraki University
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Nakazawa Hiroyuki
Department Of Analytical Chemistry Faculty Of Pharmaceutical Sciences Hoshi University
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Nakazawa Hiroyuki
Department Of Chemistry Faculty Of Science Ibaraki University
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YAMAMOTO KATSUMI
Department of Anesthesiology, University of Occupational and Environmental Health, School of Medicin
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Nakazawa Hiroyuki
Department Of Analytical Chemistry Faculty Of Pharmaceutical Science Hoshi University
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Yamamoto Katsumi
Department Of Chemistry Faculty Of Science Ibaraki University
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Yamamoto Katsumi
Department Of Anesthesiology University Of Occupational And Environmental Health School Of Medicine
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