| Separate vaporisation of boric acid and inorganic boron from tungsten sample cuvette-tungsten boat furnace followed by the detection of boron species by inductively coupled plasma mass spectrometry and atomic emission spectrometry (ICP-MS and ICP-AES). | |
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MedLine Citation:
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PMID: 18291127 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Utilising extremely different vaporisation properties of boron compounds, the determination procedures of volatile boric acid and total boron using tungsten boat furnace (TBF) ICP-MS and TBF-ICP-AES have been investigated. For the determination of volatile boric acid by TBF-ICP-MS, tetramethylammonium hydroxide (TMAH, Me(4)NOH) was used as a chemical modifier to retain it during drying and ashing stages. As for the total boron, not only non-volatile inorganic boron such as boron nitride (BN), boron carbide (B(4)C), etc. but also boric acid (B(OH)(3)) was decomposed by a furnace-fusion digestion with NaOH to produce sodium salt of boron, a suitable species for the electrothermal vaporisation (ETV) procedure. The proposed method was applied to the analysis of various standard reference materials. The analytical results for various biological and steel samples are described. |
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Authors:
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Hiroko Kataoka; Yasuaki Okamoto; Satoshi Tsukahara; Terufumi Fujiwara; Kazuaki Ito |
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Publication Detail:
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Type: Journal Article Date: 2008-01-25 |
Journal Detail:
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Title: Analytica chimica acta Volume: 610 ISSN: 1873-4324 ISO Abbreviation: Anal. Chim. Acta Publication Date: 2008 Mar |
Date Detail:
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Created Date: 2008-02-22 Completed Date: 2008-08-08 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370534 Medline TA: Anal Chim Acta Country: Netherlands |
Other Details:
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Languages: eng Pagination: 179-85 Citation Subset: - |
Affiliation:
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Department of Chemistry, Graduate School of Science, Hiroshima University, Kagamiyama 1-3-1, Higashihiroshima, 739-8526, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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