Determination of dissolved and exchangeable trimethylamine pools in sediments
A highly sensitive method for determination of dissolved and exchangeable trimethylamine (TMA) in sediments is described. The TMA was extracted from pore water samples by addition of base and sparging with inert gas. After a quantitative transfer to cryogenic traps, the gaseous TMA was determined in...
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| Veröffentlicht in: | Journal of microbiological methods 1987, Vol.6 (6), p.347-355 |
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| container_title | Journal of microbiological methods |
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| creator | Glob, Elsebeth Sørensen, Jan |
| description | A highly sensitive method for determination of dissolved and exchangeable trimethylamine (TMA) in sediments is described. The TMA was extracted from pore water samples by addition of base and sparging with inert gas. After a quantitative transfer to cryogenic traps, the gaseous TMA was determined in a gas chromatograph with packed column separation and detection by flame ionization. Column performance was optimal when a spike of ammonium was included in the preparation line. With a duplicate sparging system, the effective analysis time per sample was 15 min. Detection limit was 5 pmol, and distributions of the dissolved and potassium-exchangeable TMA pools in sediments could be determined in microliter volumes of samples (high spatial resolution). |
| doi_str_mv | 10.1016/0167-7012(87)90020-0 |
| format | Article |
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The TMA was extracted from pore water samples by addition of base and sparging with inert gas. After a quantitative transfer to cryogenic traps, the gaseous TMA was determined in a gas chromatograph with packed column separation and detection by flame ionization. Column performance was optimal when a spike of ammonium was included in the preparation line. With a duplicate sparging system, the effective analysis time per sample was 15 min. Detection limit was 5 pmol, and distributions of the dissolved and potassium-exchangeable TMA pools in sediments could be determined in microliter volumes of samples (high spatial resolution).</description><identifier>ISSN: 0167-7012</identifier><identifier>EISSN: 1872-8359</identifier><identifier>DOI: 10.1016/0167-7012(87)90020-0</identifier><identifier>CODEN: JMIMDQ</identifier><language>eng</language><publisher>Shannon: Elsevier B.V</publisher><subject>Bacteriological methods and techniques used in bacteriology ; Bacteriology ; Biological and medical sciences ; Fundamental and applied biological sciences. 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The TMA was extracted from pore water samples by addition of base and sparging with inert gas. After a quantitative transfer to cryogenic traps, the gaseous TMA was determined in a gas chromatograph with packed column separation and detection by flame ionization. Column performance was optimal when a spike of ammonium was included in the preparation line. With a duplicate sparging system, the effective analysis time per sample was 15 min. Detection limit was 5 pmol, and distributions of the dissolved and potassium-exchangeable TMA pools in sediments could be determined in microliter volumes of samples (high spatial resolution).</description><subject>Bacteriological methods and techniques used in bacteriology</subject><subject>Bacteriology</subject><subject>Biological and medical sciences</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Marine</subject><subject>Methanogenesis</subject><subject>Microbiology</subject><subject>Sediment</subject><subject>Sulfate respiration</subject><subject>Trimethylamine</subject><issn>0167-7012</issn><issn>1872-8359</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1987</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWD_-gYc9iOhhNdlN83ERxG-oeNFzyCYTG9kmNdkW--9NbfHoYZjDPO8M8yB0QvAlwYRdleI1x6Q5F_xCYtzgGu-gERG8qUU7lrto9Ifso4OcPzEm45aKEXq5gwHSzAc9-Biq6Crrc479Emylg63g20x1-ADd9VANyc9gmK56XQJQzWPsc-VDlcGWQRjyEdpzus9wvO2H6P3h_u32qZ68Pj7f3kxq0zI61ABMAjcNldJZ2rHGdk5zgqlkY9NgLIhj0kmjW8cKxQUFaTtOqRWyc9S1h-hss3ee4tcC8qBmPhvoex0gLrIiVDSS8baAdAOaFHNO4NS8_KDTShGs1u7UWoxai1GCq193CpfY6Xa_zkb3LulgfP7LcsoJbWTBrjcYlF-XHpLKxkMwRUcCMygb_f93fgDVTIN0</recordid><startdate>1987</startdate><enddate>1987</enddate><creator>Glob, Elsebeth</creator><creator>Sørensen, Jan</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7SN</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>H96</scope><scope>L.G</scope><scope>P64</scope></search><sort><creationdate>1987</creationdate><title>Determination of dissolved and exchangeable trimethylamine pools in sediments</title><author>Glob, Elsebeth ; Sørensen, Jan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-ee69e7c2499fd4b62dbfa7104965c20081f69f9ca3f6c24784e9db744d89bf4f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1987</creationdate><topic>Bacteriological methods and techniques used in bacteriology</topic><topic>Bacteriology</topic><topic>Biological and medical sciences</topic><topic>Fundamental and applied biological sciences. 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| fulltext | fulltext |
| identifier | ISSN: 0167-7012 |
| ispartof | Journal of microbiological methods, 1987, Vol.6 (6), p.347-355 |
| issn | 0167-7012 1872-8359 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_14829673 |
| source | Elsevier ScienceDirect Journals |
| subjects | Bacteriological methods and techniques used in bacteriology Bacteriology Biological and medical sciences Fundamental and applied biological sciences. Psychology Marine Methanogenesis Microbiology Sediment Sulfate respiration Trimethylamine |
| title | Determination of dissolved and exchangeable trimethylamine pools in sediments |
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