Reduction of nitrate to nitrite with cadmium metal
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- NAKAMURA Kôki
- Graduate School of Education, Yokohama National University
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- NAKAMURA Eiko
- Department of Environmental Sciences, Faculty of Education and Human Sciences, Yokohama National University
Bibliographic Information
- Other Title
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- 金属カドミウムによる硝酸イオンの亜硝酸イオンへの還元
- キンゾク カドミウム ニ ヨル ショウサン イオン ノ アショウサン イオン エ ノ カンゲン
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Abstract
The reduction of nitrate to nitrite by using cadmium coated with copper in a reductor column has been widely used on the determination of nitrate. The effects of the flow rate, pH and types of cadmium on the reduction have been investigated. However, the function of copper coated on cadmium has still not been elucidated. In this study, the reduction of nitrate by using cadmium without copper was investigated. Cadmium without copper reduced nitrate to nitrite the same way as cadmium coated with copper, if copper ion was added to a sample solution above 10 mg/l. It was presumed that the reduction of nitrate was affected by the copper ion in the sample solution, rather than copper coated on the cadmium. The effects of chloride ion and silicate on the reduction were smaller than that of cadmium coated with copper.<br>
Journal
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- BUNSEKI KAGAKU
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BUNSEKI KAGAKU 52 (5), 319-323, 2003
The Japan Society for Analytical Chemistry
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Keywords
Details 詳細情報について
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- CRID
- 1390282679028097152
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- NII Article ID
- 110002905223
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- NII Book ID
- AN00222633
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- COI
- 1:CAS:528:DC%2BD3sXjvVGktrc%3D
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- NDL BIB ID
- 6543887
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- ISSN
- 05251931
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- Abstract License Flag
- Disallowed