NDLI: Determination of Arsenic, Selenium and Antimony in Natural Waters by Batch Hydride Generation Atomic Absorption Spectrometry Equipped with Flame Heated Quartz Tube

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Determination of Arsenic, Selenium and Antimony in Natural Waters by Batch Hydride Generation Atomic Absorption Spectrometry Equipped with Flame Heated Quartz Tube

Content Provider	Semantic Scholar
Author	Watanabe, Nobuhisa
Copyright Year	1994
Abstract	バッチ式水素化物発生―加熱石英管原子吸光法によるμg/L以下の環境水中のヒ素, セレン, アンチモンの測定方法について述べた。水素化反応の際の最適な塩酸濃度と水素化ホウ素ナトリウム注入量を調べた。ヒ素, セレンについては, 試料を40mLの3M塩酸溶液に調製後, 0.5mLの4%水素化ホウ素ナトリウムを注入する。アンチモンについては, 1.5M塩酸溶液に調製後, 0.5mLの4%水素化ホウ素ナトリウムを注入する。アンチモンの予備還元には, ヨウ化カリウムとチオ尿素の双方とも効果が見られた。セレン (W) の予備還元は, 6M塩酸に調製した試料を90℃で20～30分間加熱するのがよい。この方法を環境試料に適用したところ, 河川水中のヒ素は, μg/L以下, 海水中のヒ素は数μg/Lであった。セレンは検出されなかった。アンチモンは, 0.2～4μg/Lの範囲で検出され, 1つの試料で, 要監視項目指針値である2μg/Lを越えた。
Starting Page	317
Ending Page	324
Page Count	8
File Format	PDF HTM / HTML
DOI	10.5985/jec.4.317
Volume Number	4
Alternate Webpage(s)	http://www.oit.ac.jp/env/cardamom/~wastcoex/AnalysesSpectroscopy/1994_Batch_HydGene_AsSeSb.pdf
Alternate Webpage(s)	https://doi.org/10.5985/jec.4.317
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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