書誌事項
- タイトル別名
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- Spectrophotometric Determination of zinc in Cast Iron with Zincon (Determination of Small Amounts of Special Elements in Cast Iron, 6th Report)
- ジンコン ニ ヨル チュウテツ チュウ アエン ノ コウド テイリョウホウ
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抄録
The fundamental conditions for photometric determination of zinc using zincon (2-carboxy-2′-hydroxy-5′-sulfoformazylbenzene) have been investigated and applied to the analysis of cast iron. Zinc-zincon complex shows high absorbancy at 615 mμ over pH 8.5∼9.5, and is stable at least for 1 hour. However the stability of absorbancy varies with the maker of zincon. It obeys Beer’s law up to 200γ of zinc in 50 mL for 1 cm cell. Preliminary separation of zinc from large amounts of iron etc. is made by extraction with dithizone in benzene from citrate solution of pH about 8.3 and following back extraction with dilute hydrochloric acid solution. The proposed method is suitable for determining 0.002∼0.04% of zinc in cast iron, when carried out without great care which is necessary in the dithizone photometric method.
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 24 (2), 82-85, 1960
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001206481668224
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- NII論文ID
- 130007333266
- 40018257622
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 9153062
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可