1991
DOI: 10.1021/ac00002a006
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Hydrocarbon type determination of naphthas and catalytically reformed products by automated multidimensional gas chromatography

Abstract: A multidimensional gas chromatographlc system Is descrlbed for obtalnlng the content of paraffln, naphthene, and aromatlcs (PNA) accordlng to both grouptype separation and separation by the number of carbons In hydrocarbon mixtures. Several examples of measured PNA results for callbration standards and practical process/product streams are glven to Illustrate the accuracy, reproduclblllty, and repeatability of the method.The Importance of uslng purified hydrogen as the carrier gas and a speclally prepared mole… Show more

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Cited by 24 publications
(3 citation statements)
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“…The precision of the measurements is typically in the range of 1 -2% RSD which compares favorably to alternate methods such as mass spectrometry [69]. Traditionally, a combination of packed and capillary columns has been used to handle substances occurring both in the gas phase and the condensed phase [70,71].…”
Section: Petroleum Fuels and Environmental Contaminants (Other Thanmentioning
confidence: 99%
“…The precision of the measurements is typically in the range of 1 -2% RSD which compares favorably to alternate methods such as mass spectrometry [69]. Traditionally, a combination of packed and capillary columns has been used to handle substances occurring both in the gas phase and the condensed phase [70,71].…”
Section: Petroleum Fuels and Environmental Contaminants (Other Thanmentioning
confidence: 99%
“…In recent years there has been a significant increase in reports of applications of 2D GC in a variety of analytical contexts, including petrochemical, environmental, flavor and fragrance, and biomedical analyses. Most of these were based on use of, at most, a single trapping device, and a great many involved serial GC with no intermediate trapping (30)(31)(32)(33)(34)(35)(36). Multiple parallel cryogenic traps also have been used to allow multiple heart cuts during a single chromatographic separation (37).…”
Section: Applications Of Multidimensional Gcmentioning
confidence: 99%
“…For these reasons, automated sampling and analyses are very popular in environmental monitoring, occupational safety, process control, chemical identification and sensor development. [1][2][3][4][5][6][7][8][9][10] In chemical sensor studies, the generation of well defined vapor streams over a wide range of concentrations is important in order to study and calibrate the sensor response. Generation of a vapor stream of constant concentration can be achieved by a variety of methods.…”
mentioning
confidence: 99%