Rapid method for the determination of urinary oxalic acid by gas liquid chromatography (author's transl)
A rapid method for the determination of urinary oxalic acid by gas-liquid chromatography is described. The procedure involves extraction of oxalate from urine by tetrahydrofuran followed by evaporation to dryness and subsequent with diesterification with the boron-trifluoride propanol. The derivativ...
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Veröffentlicht in: | Clinica chimica acta 1982-04, Vol.120 (2), p.207-217 |
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creator | Decoux, G Boujet, C Rual, M Drouet, C Lafond, J L Favier, A Agnius-Delord, C |
description | A rapid method for the determination of urinary oxalic acid by gas-liquid chromatography is described. The procedure involves extraction of oxalate from urine by tetrahydrofuran followed by evaporation to dryness and subsequent with diesterification with the boron-trifluoride propanol. The derivative is extracted with hexane and is detected by FID gas chromatography. Malonic acid is used as internal standard. Analytical recovery ranged from 94 to 105%. The coefficient of variation in replicate aliquots over the entire range is less than 6%. The expected range for our method is calculated to be 44 to 577 mumol of oxalate per 24-h urine. |
doi_str_mv | 10.1016/0009-8981(82)90157-7 |
format | Article |
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The procedure involves extraction of oxalate from urine by tetrahydrofuran followed by evaporation to dryness and subsequent with diesterification with the boron-trifluoride propanol. The derivative is extracted with hexane and is detected by FID gas chromatography. Malonic acid is used as internal standard. Analytical recovery ranged from 94 to 105%. The coefficient of variation in replicate aliquots over the entire range is less than 6%. 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The procedure involves extraction of oxalate from urine by tetrahydrofuran followed by evaporation to dryness and subsequent with diesterification with the boron-trifluoride propanol. The derivative is extracted with hexane and is detected by FID gas chromatography. Malonic acid is used as internal standard. Analytical recovery ranged from 94 to 105%. The coefficient of variation in replicate aliquots over the entire range is less than 6%. The expected range for our method is calculated to be 44 to 577 mumol of oxalate per 24-h urine.</description><subject>Chromatography, Gas</subject><subject>Flame Ionization</subject><subject>Humans</subject><subject>Oxalates - urine</subject><subject>Reference Values</subject><issn>0009-8981</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1982</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kN9LwzAQx_OgzDn9DxTypNtDNWnSJnmU4S8YCKLP5dYka6VtuiSF7b834BAOjs_xuS_cIXRDyQMltHwkhKhMKkmXMl8pQguRiTM0_x9foMsQfhJyUtIZmglSCsqLOWo-YWw17k1snMbWeRwbg7WJxvftALF1A3YWTz6BP2J3gK6tMdRpZ3vEOwi4a_dTorrxrofodh7G5oiXMKVEfx9w9DCEbnWFzi10wVyf-gJ9vzx_rd-yzcfr-_ppk42UyZgB6NwCYTVYxkCWJVNQAOdFQY20wspc11YYoYBLTmQSlcwLqlLpvAbJFujuL3f0bj-ZEKu-DbXpOhiMm0IlmFKccZrE25M4bXujq9G3fTqxOr2G_QKImWVk</recordid><startdate>19820408</startdate><enddate>19820408</enddate><creator>Decoux, G</creator><creator>Boujet, C</creator><creator>Rual, M</creator><creator>Drouet, C</creator><creator>Lafond, J L</creator><creator>Favier, A</creator><creator>Agnius-Delord, C</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>19820408</creationdate><title>Rapid method for the determination of urinary oxalic acid by gas liquid chromatography (author's transl)</title><author>Decoux, G ; Boujet, C ; Rual, M ; Drouet, C ; Lafond, J L ; Favier, A ; Agnius-Delord, C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p138t-aad2fa03caf33a86639a5a44551e8f7f82dcf7e79a4840803c982519519d2ca83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>fre</language><creationdate>1982</creationdate><topic>Chromatography, Gas</topic><topic>Flame Ionization</topic><topic>Humans</topic><topic>Oxalates - urine</topic><topic>Reference Values</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Decoux, G</creatorcontrib><creatorcontrib>Boujet, C</creatorcontrib><creatorcontrib>Rual, M</creatorcontrib><creatorcontrib>Drouet, C</creatorcontrib><creatorcontrib>Lafond, J L</creatorcontrib><creatorcontrib>Favier, A</creatorcontrib><creatorcontrib>Agnius-Delord, C</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Clinica chimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Decoux, G</au><au>Boujet, C</au><au>Rual, M</au><au>Drouet, C</au><au>Lafond, J L</au><au>Favier, A</au><au>Agnius-Delord, C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rapid method for the determination of urinary oxalic acid by gas liquid chromatography (author's transl)</atitle><jtitle>Clinica chimica acta</jtitle><addtitle>Clin Chim Acta</addtitle><date>1982-04-08</date><risdate>1982</risdate><volume>120</volume><issue>2</issue><spage>207</spage><epage>217</epage><pages>207-217</pages><issn>0009-8981</issn><abstract>A rapid method for the determination of urinary oxalic acid by gas-liquid chromatography is described. 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subjects | Chromatography, Gas Flame Ionization Humans Oxalates - urine Reference Values |
title | Rapid method for the determination of urinary oxalic acid by gas liquid chromatography (author's transl) |
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