Isomer-specific determination of hexachlorodibenzo-p-dioxins by oxygen negative chemical ionization mass spectrometry, gas chromatography, and high-pressure liquid chromatography
All ten hexachlorodibenzo-p-dioxin (HCDD) isomers, prepared by micropyrolysis of chlorophenates, were studied by using mass spectrometry, gas chromatography, and high-pressure liquid chromatography. Of several ionization modes studied, oxygen negative chemical ionization was the most suitable for is...
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| Veröffentlicht in: | Anal. Chem.; (United States) 1985-05, Vol.57 (6), p.1133-1138 |
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| container_title | Anal. Chem.; (United States) |
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| creator | Miles, Walter F Gurprasad, Narine P Malis, Greg P |
| description | All ten hexachlorodibenzo-p-dioxin (HCDD) isomers, prepared by micropyrolysis of chlorophenates, were studied by using mass spectrometry, gas chromatography, and high-pressure liquid chromatography. Of several ionization modes studied, oxygen negative chemical ionization was the most suitable for isomer identification. This technique enabling isomer specific identification to be carried out was applied to hexachlorodioxin impurities in pentachlorophenol samples and detected small amounts of 4:2 substituted isomer not previously known. 17 references, 7 figures, 2 tables. |
| doi_str_mv | 10.1021/ac00283a039 |
| format | Article |
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Of several ionization modes studied, oxygen negative chemical ionization was the most suitable for isomer identification. 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Chem.; (United States)</title><addtitle>Anal. Chem</addtitle><description>All ten hexachlorodibenzo-p-dioxin (HCDD) isomers, prepared by micropyrolysis of chlorophenates, were studied by using mass spectrometry, gas chromatography, and high-pressure liquid chromatography. Of several ionization modes studied, oxygen negative chemical ionization was the most suitable for isomer identification. 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Chem.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Miles, Walter F</au><au>Gurprasad, Narine P</au><au>Malis, Greg P</au><aucorp>Agriculture Canada, Ottawa, Ontario</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Isomer-specific determination of hexachlorodibenzo-p-dioxins by oxygen negative chemical ionization mass spectrometry, gas chromatography, and high-pressure liquid chromatography</atitle><jtitle>Anal. Chem.; (United States)</jtitle><addtitle>Anal. Chem</addtitle><date>1985-05-01</date><risdate>1985</risdate><volume>57</volume><issue>6</issue><spage>1133</spage><epage>1138</epage><pages>1133-1138</pages><issn>0003-2700</issn><eissn>1520-6882</eissn><coden>ANCHAM</coden><abstract>All ten hexachlorodibenzo-p-dioxin (HCDD) isomers, prepared by micropyrolysis of chlorophenates, were studied by using mass spectrometry, gas chromatography, and high-pressure liquid chromatography. Of several ionization modes studied, oxygen negative chemical ionization was the most suitable for isomer identification. This technique enabling isomer specific identification to be carried out was applied to hexachlorodioxin impurities in pentachlorophenol samples and detected small amounts of 4:2 substituted isomer not previously known. 17 references, 7 figures, 2 tables.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/ac00283a039</doi><tpages>6</tpages></addata></record> |
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| issn | 0003-2700 1520-6882 |
| language | eng |
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| source | ACS Publications |
| subjects | 400102 - Chemical & Spectral Procedures 400104 - Spectral Procedures- (-1987) Analytical chemistry AROMATICS CHEMICAL ANALYSIS Chemistry CHLORINATED AROMATIC HYDROCARBONS CHROMATOGRAPHY DATA ELEMENTS Exact sciences and technology EXPERIMENTAL DATA GAS CHROMATOGRAPHY HALOGENATED AROMATIC HYDROCARBONS INFORMATION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ISOMERS LIQUID COLUMN CHROMATOGRAPHY MASS SPECTROSCOPY Miscellaneous NONMETALS NUMERICAL DATA ORGANIC CHLORINE COMPOUNDS ORGANIC COMPOUNDS ORGANIC HALOGEN COMPOUNDS OXYGEN QUANTITATIVE CHEMICAL ANALYSIS SEPARATION PROCESSES SPECTROSCOPY |
| title | Isomer-specific determination of hexachlorodibenzo-p-dioxins by oxygen negative chemical ionization mass spectrometry, gas chromatography, and high-pressure liquid chromatography |
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