ATOMIC ABSORPTION OF ARSENIC IN NITROGEN (ENTRAINED AIR)-HYDROGEN FLAMES

被引：28
作者：
ANDO, A
SUZUKI, M
FUWA, K
VALLEE, BL
机构：
[1] Biophysics Research Laboratory, Department of Biological Chemistry, Harvard Medical School, Division of Medical Biology, Peter Bent Brigham Hospital, Boston, Mass.
[2] Department of Synthetic Chemistry, Faculty of Engineering, Nagoya University, Nagoya
来源：
ANALYTICAL CHEMISTRY | 1969年 / 41卷 / 14期
关键词：
D O I：
10.1021/ac50159a031
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Lines of As most suitable for atomic absorption are located below 2000 A, a region in which most conventional flames absorb radiation to a significant degree. Admixture of helium, argon, or nitrogen to air-hydrogen flames markedly reduces such flame absorption. A nitrogen (entrained air)-hydrogen flame proved most suitable for atomic absorption analysis of As. When used in conjunction with long-path-length Vycor cells, the sensitivity was 0.006 µg of As per ml (1% deflection). The effects of gas pressure, cell length, flame conditions, cations and anions on As absorption were investigated. © 1969, American Chemical Society. All rights reserved.
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页码：1974 / &
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