Photometric determination of trace selenium in aqueous media
A new procedure is developed for the photometric determination of trace selenium in aqueous solutions. The selection of 2-(p-nitrophenyl)-3,5-diphenyltetrazolium chloride as a reagent for selenium is justified. The proposed sample preparation procedure involves gas extraction of selenium as hydrogen...
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| Veröffentlicht in: | Journal of analytical chemistry (New York, N.Y.) N.Y.), 2006-01, Vol.61 (1), p.25-27 |
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| container_end_page | 27 |
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| container_title | Journal of analytical chemistry (New York, N.Y.) |
| container_volume | 61 |
| creator | Moskvin, L. N. Bulatov, A. V. Rudenko, E. A. Navolotskii, D. V. Koldobskii, G. I. |
| description | A new procedure is developed for the photometric determination of trace selenium in aqueous solutions. The selection of 2-(p-nitrophenyl)-3,5-diphenyltetrazolium chloride as a reagent for selenium is justified. The proposed sample preparation procedure involves gas extraction of selenium as hydrogen selenide followed by its liquid-adsorption extraction from the gas phase to an aqueous reagent solution with the formation of a water-insoluble formazan. Formazan formed upon the absorption of hydrogen selenide is extracted with isoamyl alcohol. The concentration of selenium is determined from the absorbance of the formazan extract in the isoamyl alcohol. The procedure allows the determination of 10–120 μg/L selenium. |
| doi_str_mv | 10.1134/S1061934806010060 |
| format | Article |
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The procedure allows the determination of 10–120 μg/L selenium.</description><identifier>ISSN: 1061-9348</identifier><identifier>EISSN: 1608-3199</identifier><identifier>DOI: 10.1134/S1061934806010060</identifier><language>eng</language><publisher>New York: Springer</publisher><subject>Aqueous solution reactions ; Aqueous solutions ; Chemical properties ; Photometry ; Reagents ; Selenium ; Selenium compounds ; Vapor phases</subject><ispartof>Journal of analytical chemistry (New York, N.Y.), 2006-01, Vol.61 (1), p.25-27</ispartof><rights>COPYRIGHT 2006 Springer</rights><rights>Pleiades Publishing, Inc. 2006.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c307t-af0994aae129dfebf1fc12151e4b1591863508adb9067269feb0f3bef4d182d33</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Moskvin, L. 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The concentration of selenium is determined from the absorbance of the formazan extract in the isoamyl alcohol. The procedure allows the determination of 10–120 μg/L selenium.</description><subject>Aqueous solution reactions</subject><subject>Aqueous solutions</subject><subject>Chemical properties</subject><subject>Photometry</subject><subject>Reagents</subject><subject>Selenium</subject><subject>Selenium compounds</subject><subject>Vapor phases</subject><issn>1061-9348</issn><issn>1608-3199</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNplkEFLAzEUhIMoWKs_wNuCJw-recluNgEvpVgtFBSr55Ddfakp3U1NsqD_3i315mXewHy8gSHkGugdAC_u10AFKF5IKijQUU7IBASVOQelTkc_xvkhPycXMW4ppUqCmJCH10-ffIcpuCZrMWHoXG-S833mbZaCaTCLuMPeDV3m-sx8DeiHmHXYOnNJzqzZRbz6u1PysXh8nz_nq5en5Xy2yhtOq5QbS5UqjEFgqrVYW7ANMCgBixpKBVLwkkrT1oqKigk1ItTyGm3RgmQt51Nyc_y7D37sj0lv_RD6sVIzIYqikkwdqNsjtTE71K5vfJ_wO23MEKNert_0DErGeCW5GFk4sk3wMQa0eh9cZ8KPBqoPg-p_g_Jf2DJm-A</recordid><startdate>20060101</startdate><enddate>20060101</enddate><creator>Moskvin, L. 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| issn | 1061-9348 1608-3199 |
| language | eng |
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| subjects | Aqueous solution reactions Aqueous solutions Chemical properties Photometry Reagents Selenium Selenium compounds Vapor phases |
| title | Photometric determination of trace selenium in aqueous media |
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