Výsledky vyhledávání - "Kirsten R. Stewart"

Determination of total and speciated arsenic in rice by ion chromatography and inductively coupled plasma mass spectrometry

Autor: Craig S. Westphal, Kirsten R. Stewart, Douglas T. Heitkemper, Nohora P. Vela

Publikováno v: Journal of Analytical Atomic Spectrometry. 16:299-306

A method is presented for arsenic speciation analysis in rice using ion chromatography coupled to inductively coupled plasma mass spectrometry. Several procedures for the extraction of arsenic species from rice were investigated and compared. Treatme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64f7b12b49999bc39f7ea6295adcc119
https://doi.org/10.1039/b007241i

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Arsenic extraction and speciation in carrots using accelerated solvent extraction, liquid chromatography and plasma mass spectrometry

Autor: Nohora P. Vela, Douglas T. Heitkemper, Kirsten R. Stewart

Publikováno v: The Analyst. 126(7)

Arsenic present in freeze-dried carrots was extracted using accelerated solvent extraction (ASE). Several parameters, including selection of the dispersing agent, extraction time, number of extraction cycles, particle size and extraction temperature,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f47d52880630c6a9f4a54186f73401da
https://pubmed.ncbi.nlm.nih.gov/11478628

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