The extraction and speciation of arsenic in rice flour by HPLC–ICP-MS
Several solvent mixtures and techniques for the extraction of arsenic (As) species from rice flour samples prior to their analysis by HPLC–ICP-MS were investigated. Microwave-assisted extraction using water at 80 °C for 30 min provided the highest extraction efficiency. Total recoveries of extracted...
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| Veröffentlicht in: | Talanta (Oxford) 2008-10, Vol.77 (1), p.427-432 |
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| creator | Narukawa, Tomohiro Inagaki, Kazumi Kuroiwa, Takayoshi Chiba, Koichi |
| description | Several solvent mixtures and techniques for the extraction of arsenic (As) species from rice flour samples prior to their analysis by HPLC–ICP-MS were investigated. Microwave-assisted extraction using water at 80
°C for 30
min provided the highest extraction efficiency. Total recoveries of extracted As species were in good agreement with the total As concentrations determined by ICP-MS after microwave-assisted acid digestion of the samples. Arsenite [As(III)], arsenate [As(V)] and dimethylarsinic acid (DMAA) were the main species detected in rice flour samples. |
| doi_str_mv | 10.1016/j.talanta.2008.07.005 |
| format | Article |
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°C for 30
min provided the highest extraction efficiency. Total recoveries of extracted As species were in good agreement with the total As concentrations determined by ICP-MS after microwave-assisted acid digestion of the samples. 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Microwave-assisted extraction using water at 80
°C for 30
min provided the highest extraction efficiency. Total recoveries of extracted As species were in good agreement with the total As concentrations determined by ICP-MS after microwave-assisted acid digestion of the samples. Arsenite [As(III)], arsenate [As(V)] and dimethylarsinic acid (DMAA) were the main species detected in rice flour samples.</abstract><cop>Amsterdam</cop><cop>Oxford</cop><pub>Elsevier B.V</pub><pmid>18804656</pmid><doi>10.1016/j.talanta.2008.07.005</doi><tpages>6</tpages></addata></record> |
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| ispartof | Talanta (Oxford), 2008-10, Vol.77 (1), p.427-432 |
| issn | 0039-9140 1873-3573 |
| language | eng |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Analytical chemistry Arsenic - analysis Arsenic - chemistry Arsenic compounds Chemistry Chromatographic methods and physical methods associated with chromatography Chromatography, High Pressure Liquid - methods Exact sciences and technology Extraction HPLC–ICP-MS Indexing in process Mass Spectrometry - methods Microwave-assisted digestion Microwaves Oryza - chemistry Other chromatographic methods Q1 Rice flour Solvents Speciation Spectrometric and optical methods Ultrasonics |
| title | The extraction and speciation of arsenic in rice flour by HPLC–ICP-MS |
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