NDLI: Simultaneous determination of antimony, arsenic and selenium in natural waters by means of hydride generation coupled to plasma source mass spectrometry

Content Provider	Royal Society of Chemistry (RSC)
Author	Öhman, Peder Haraldsson, Conny Pollak, Marianne
Copyright Year	1992
Abstract	The hydride generation batch technique was used to determine simultaneously antimony, arsenic and selenium in natural waters. The volatilized hydrides, formed by adding sodium tetrahydroborate to the acidified sample, were purged out of the sample and transported directly to the plasma by means of the nebulizer gas flow. In this method, ammonium pyrrolidin-1-yldithioformate (APDC) replaced iodide as the reducing agent for antimony because iodide interferes in the hydride generation of selenium. The detection limits for a 10 ml sample, defined as three times the standard deviation of the blank, were 1.5 ng l–1 for arsenic, 2.4 ng l–1 for antimony and 6.3 ng l–1 for selenium. The precision for each element was better than 6%. The linear ranges of the method were checked for arsenic, antimony and selenium up to 2 µg l–1, but for arsenic and antimony these were significantly higher, with the carryover between the samples being the limiting factor at high concentrations. The total analysis time for a single sample was 10 min.
Starting Page	1183
Ending Page	1186
Page Count	4
File Format	PDF
ISSN	02679477
Volume Number	7
Issue Number	8
Journal	Journal of Analytical Atomic Spectrometry
DOI	10.1039/JA9920701183
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Hydride Antimony Arsenic Selenium Sodium Borohydride Blood plasma Nebulizer Iodide Reducing agent Standard deviation
Content Type	Text
Resource Type	Article
Subject	Spectroscopy Analytical Chemistry

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