Characteristic negative response of the helium ionization detector
When ultrapure helium is used as a carrier gas, the helium ionization detector provides a characteristic response, either positive or negative to each gas. The detector response can be made positive for all gases except neon by the inclusion of a few ppM of gaseous additives to the helium carrier ga...
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| Veröffentlicht in: | Anal. Chem.; (United States) 1980-05, Vol.52 (6), p.846-851 |
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| container_title | Anal. Chem.; (United States) |
| container_volume | 52 |
| creator | Andrawes, Fikry F Gibson, Everett K |
| description | When ultrapure helium is used as a carrier gas, the helium ionization detector provides a characteristic response, either positive or negative to each gas. The detector response can be made positive for all gases except neon by the inclusion of a few ppM of gaseous additives to the helium carrier gas, but the inclusion of gaseous additives decreases the detector signal. In this study we first investigated the negative response of the helium ionization detector, and then compared the lower and upper detection limits obtained by using ultrapure helium as a carrier gas (yielding positive and negative responses) with those obtained by using helium plus hydrogen as a carrier gas (yielding positive responses). When ultrapure helium was used, the negative response of the detector was found to be linear over a range of about 10/sup 4/ and the detection limits for both positive and negative responses were one to two orders of magnitude better than those obtained when helium plus hydrogen was used as a carrier gas. 8 figures, 1 table. |
| doi_str_mv | 10.1021/ac50056a018 |
| format | Article |
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The detector response can be made positive for all gases except neon by the inclusion of a few ppM of gaseous additives to the helium carrier gas, but the inclusion of gaseous additives decreases the detector signal. In this study we first investigated the negative response of the helium ionization detector, and then compared the lower and upper detection limits obtained by using ultrapure helium as a carrier gas (yielding positive and negative responses) with those obtained by using helium plus hydrogen as a carrier gas (yielding positive responses). When ultrapure helium was used, the negative response of the detector was found to be linear over a range of about 10/sup 4/ and the detection limits for both positive and negative responses were one to two orders of magnitude better than those obtained when helium plus hydrogen was used as a carrier gas. 8 figures, 1 table.</description><identifier>ISSN: 0003-2700</identifier><identifier>EISSN: 1520-6882</identifier><identifier>DOI: 10.1021/ac50056a018</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>400102 - Chemical & Spectral Procedures ; 400400 - Electrochemistry ; ADDITIVES ; ALKANES ; ARGON ; CARBON COMPOUNDS ; CARBON MONOXIDE ; CARBON OXIDES ; CHALCOGENIDES ; COMPARATIVE EVALUATIONS ; CRYOGENIC FLUIDS ; ELEMENTS ; FLUIDS ; HELIUM ; HYDROCARBONS ; HYDROGEN ; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ; IONIZATION CHAMBERS ; MEASURING INSTRUMENTS ; METHANE ; NEON ; NITROGEN ; NONMETALS ; ORGANIC COMPOUNDS ; OXIDES ; OXYGEN ; OXYGEN COMPOUNDS ; RADIATION DETECTORS ; RARE GASES</subject><ispartof>Anal. 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Chem.; (United States)</title><addtitle>Anal. Chem</addtitle><description>When ultrapure helium is used as a carrier gas, the helium ionization detector provides a characteristic response, either positive or negative to each gas. The detector response can be made positive for all gases except neon by the inclusion of a few ppM of gaseous additives to the helium carrier gas, but the inclusion of gaseous additives decreases the detector signal. In this study we first investigated the negative response of the helium ionization detector, and then compared the lower and upper detection limits obtained by using ultrapure helium as a carrier gas (yielding positive and negative responses) with those obtained by using helium plus hydrogen as a carrier gas (yielding positive responses). When ultrapure helium was used, the negative response of the detector was found to be linear over a range of about 10/sup 4/ and the detection limits for both positive and negative responses were one to two orders of magnitude better than those obtained when helium plus hydrogen was used as a carrier gas. 8 figures, 1 table.</description><subject>400102 - Chemical & Spectral Procedures</subject><subject>400400 - Electrochemistry</subject><subject>ADDITIVES</subject><subject>ALKANES</subject><subject>ARGON</subject><subject>CARBON COMPOUNDS</subject><subject>CARBON MONOXIDE</subject><subject>CARBON OXIDES</subject><subject>CHALCOGENIDES</subject><subject>COMPARATIVE EVALUATIONS</subject><subject>CRYOGENIC FLUIDS</subject><subject>ELEMENTS</subject><subject>FLUIDS</subject><subject>HELIUM</subject><subject>HYDROCARBONS</subject><subject>HYDROGEN</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>IONIZATION CHAMBERS</subject><subject>MEASURING INSTRUMENTS</subject><subject>METHANE</subject><subject>NEON</subject><subject>NITROGEN</subject><subject>NONMETALS</subject><subject>ORGANIC COMPOUNDS</subject><subject>OXIDES</subject><subject>OXYGEN</subject><subject>OXYGEN COMPOUNDS</subject><subject>RADIATION DETECTORS</subject><subject>RARE GASES</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1980</creationdate><recordtype>article</recordtype><recordid>eNptkDFPwzAQhS0EEqEw8QciFgYUuIsTJxlpgYJUCRCF1boYh7i0cWWnCPj1GAUhBpa74T69e-8xdohwipDiGakcIBcEWG6xCPMUElGW6TaLAIAnaQGwy_a8XwAgAoqIjSctOVK9dsb3RsWdfqHevOnYab-2ndexbeK-1XGrl2azio3tzGcgbBc_616r3rp9ttPQ0uuDnz1ij1eX88l1Mrud3kzOZwnxKuvDrFUJmSjSmnRwiQWQVpghR6pJNU1JlIdTWmcpViqEAFDUQI0FCU7AR-xo0LXBqfTKhPetsl0XXMgcBee8DNDJAClnvXe6kWtnVuQ-JIL87kj-6SjQyUCH8Pr9FyX3KkXBi1zO7x6kmI6rp4v7XFaBPx54Ul4u7MZ1IfC_yl_mq3VC</recordid><startdate>19800501</startdate><enddate>19800501</enddate><creator>Andrawes, Fikry F</creator><creator>Gibson, Everett K</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19800501</creationdate><title>Characteristic negative response of the helium ionization detector</title><author>Andrawes, Fikry F ; Gibson, Everett K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a394t-a3bc804672bae005170aec14131abacff8aa5bae2b4219c6a000caf0b17a63a03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1980</creationdate><topic>400102 - Chemical & Spectral Procedures</topic><topic>400400 - Electrochemistry</topic><topic>ADDITIVES</topic><topic>ALKANES</topic><topic>ARGON</topic><topic>CARBON COMPOUNDS</topic><topic>CARBON MONOXIDE</topic><topic>CARBON OXIDES</topic><topic>CHALCOGENIDES</topic><topic>COMPARATIVE EVALUATIONS</topic><topic>CRYOGENIC FLUIDS</topic><topic>ELEMENTS</topic><topic>FLUIDS</topic><topic>HELIUM</topic><topic>HYDROCARBONS</topic><topic>HYDROGEN</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>IONIZATION CHAMBERS</topic><topic>MEASURING INSTRUMENTS</topic><topic>METHANE</topic><topic>NEON</topic><topic>NITROGEN</topic><topic>NONMETALS</topic><topic>ORGANIC COMPOUNDS</topic><topic>OXIDES</topic><topic>OXYGEN</topic><topic>OXYGEN COMPOUNDS</topic><topic>RADIATION DETECTORS</topic><topic>RARE GASES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Andrawes, Fikry F</creatorcontrib><creatorcontrib>Gibson, Everett K</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Anal. Chem.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Andrawes, Fikry F</au><au>Gibson, Everett K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characteristic negative response of the helium ionization detector</atitle><jtitle>Anal. Chem.; (United States)</jtitle><addtitle>Anal. Chem</addtitle><date>1980-05-01</date><risdate>1980</risdate><volume>52</volume><issue>6</issue><spage>846</spage><epage>851</epage><pages>846-851</pages><issn>0003-2700</issn><eissn>1520-6882</eissn><abstract>When ultrapure helium is used as a carrier gas, the helium ionization detector provides a characteristic response, either positive or negative to each gas. The detector response can be made positive for all gases except neon by the inclusion of a few ppM of gaseous additives to the helium carrier gas, but the inclusion of gaseous additives decreases the detector signal. In this study we first investigated the negative response of the helium ionization detector, and then compared the lower and upper detection limits obtained by using ultrapure helium as a carrier gas (yielding positive and negative responses) with those obtained by using helium plus hydrogen as a carrier gas (yielding positive responses). When ultrapure helium was used, the negative response of the detector was found to be linear over a range of about 10/sup 4/ and the detection limits for both positive and negative responses were one to two orders of magnitude better than those obtained when helium plus hydrogen was used as a carrier gas. 8 figures, 1 table.</abstract><cop>United States</cop><pub>American Chemical Society</pub><doi>10.1021/ac50056a018</doi><tpages>6</tpages></addata></record> |
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| ispartof | Anal. Chem.; (United States), 1980-05, Vol.52 (6), p.846-851 |
| issn | 0003-2700 1520-6882 |
| language | eng |
| recordid | cdi_crossref_primary_10_1021_ac50056a018 |
| source | ACS Publications |
| subjects | 400102 - Chemical & Spectral Procedures 400400 - Electrochemistry ADDITIVES ALKANES ARGON CARBON COMPOUNDS CARBON MONOXIDE CARBON OXIDES CHALCOGENIDES COMPARATIVE EVALUATIONS CRYOGENIC FLUIDS ELEMENTS FLUIDS HELIUM HYDROCARBONS HYDROGEN INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY IONIZATION CHAMBERS MEASURING INSTRUMENTS METHANE NEON NITROGEN NONMETALS ORGANIC COMPOUNDS OXIDES OXYGEN OXYGEN COMPOUNDS RADIATION DETECTORS RARE GASES |
| title | Characteristic negative response of the helium ionization detector |
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