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Keywords: gas chromatography
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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2019
ISBN: 978-0-8031-7682-9
... injected. detection limit limit of detection methods for determination of LOD volatile organic compounds gas chromatography 134 DETECTION LIMITS IN AIR QUALITY AND ENVIRONMENTAL MEASUREMENTS STP 1618, 2019 / available online at www.astm.org / doi: 10.1520/STP161820180076 Sara Gutie´rrez-Sama,1...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2019
ISBN: 978-0-8031-7089-6
..., and Lubricants has developed a number of liquid, gas, gas chromatography–mass spectrometry, and gel permeation chromatography methods that, along with other ASTM test methods, enable the refining and lubricants industry to characterize highly complex mixtures, such as crude oils, as well as the intermediate...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2005
ISBN-10: 0-8031-3494-0
ISBN: 978-0-8031-3494-2
... with a microwave induced helium plasma atomic emission detector (GCxGC/AED). The GCxGC uses simple valve based flow modulation optimized for samples with a boiling point in the gasoline and jet fuel range. The technique is useful for screening fuels additives, contaminants, etc. Gas chromatography atomic...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2622-0
ISBN: 978-0-8031-2622-0
... and assayed at 3, 5, 7, 9 or 10 days. The metsulfuron-methyl induced internal ethylene was measured by gas chromatography and used as response variable. Droplet size, a.i. concentration and measurement day had significant effects on ethylene production. Although the response was highly variable, ethylene...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2007-9
ISBN: 978-0-8031-2007-5
... between residue ratings based on visual observations and actual residue retained as determined by solvent extraction and gas chromatography analysis. It was concluded that this test procedure provides a quick and inexpensive means for obtaining accurate and reliable data on the foliar rain fastness...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1994
ISBN-10: 0-8031-1898-8
ISBN: 978-0-8031-1898-0
.... diesel range organic compounds gasoline range organic compounds gas chromatography total recoverable petroleum hydrocarbons underground storage tanks C h i - Y u a n Fan I, S. K r i s h n a m u r t h y 2, and Chien T. Chen 2 A CRITICAL REVIEW OF ANALYTICAL APPROACHES FOR PETROLEUM CONTAMINATED...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1993
ISBN-10: 0-8031-1475-3
ISBN: 978-0-8031-1475-3
... in order to evaluate the methodology. This paper reports on the development of analysis procedures for the herbicide alachlor [2-chloro-2,6-diethyl- N methoxymethyl acetanilide]. solid-phase extraction pesticide extraction gas chromatography alachlor Anastasia E. M. Chirnside ~ and William F...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1992
ISBN-10: 0-8031-1465-6
ISBN: 978-0-8031-1465-4
... must be used. Examples of desorption/ionization techniques for the molecular weight and structural characterization of polyester oligomers, targeted reaction products, and melamine crosslinkers will be shown. gas chromatography mass spectrometry pyrolysis potassium ionization of desorbed...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1992
ISBN-10: 0-8031-1465-6
ISBN: 978-0-8031-1465-4
... Gas chromatography (GC) is an established analytical technique which is useful for the characterization of coatings and related materials. With the introduction of chemically inert and thermally stable fused silica capillary columns, many volatile and semivolatile polar compounds can now...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1407-9
ISBN: 978-0-8031-1407-4
...-trichlorobenzene, and 1,2,4,5-tetrachlorobenzene, P/WCC will give detection limits of 0.01, 0.003, and 0.0006 ng/mL, respectively. VOCs volatile organic compounds whole column cryotrapping purge with whole column cryotrapping P/WCC purge and trap purgeables water analysis gas chromatography GC mass...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1407-9
ISBN: 978-0-8031-1407-4
... The past five years have seen a significant emphasis on the use of chemical instrumentation to perform rapid assessment and accurate analysis in the field. This trend began with gas chromatography and has grown rapidly with the introduction of new instruments with remarkable sensitivity...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1407-9
ISBN: 978-0-8031-1407-4
... of this on-going laboratory study indicate that the revised Gas Chromatography method performs better, relative to the Fluorescence, Infrared, High Performance Liquid Chromatographic and Thin Layer Chromatographic methods. A field study was conducted during the deployment of the Coast Guard Research...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1407-9
ISBN: 978-0-8031-1407-4
... This research has been aimed at the identification of unknown aviation fuel samples through gas chromatography and pattern recognition. Both neat fuels and their water-soluble fractions have been studied. The fuels studied include JP-4, JP-5, JP-7, JPTS, Jet-A, and aviation gasoline. High...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1294-7
ISBN: 978-0-8031-1294-0
... This paper describes advancements in the gas chromatography-electron capture detector (GC/ECD) determination of octachlorodibenzodioxin (OCDD) and octachlorodibenzofuran (OCDF). OCDD and OCDF (OCDD/F) serve as markers or surrogates for the more toxic polychlorinated dibenzodioxins...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-1275-0
ISBN: 978-0-8031-1275-9
.... Environmental Protection Agency's Priority Pollutants List. Typical analysis for these contaminants involves routine repetitive analysis, such as quarterly gas chromatography/mass spectroscopy (GC/MS) on samples taken from wells. Such monitoring is labor intensive, requiring a sampling team as well...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-1394-3
ISBN: 978-0-8031-1394-7
... are categorized into those based on bulk properties, on spectroscopy, and on special applications such as mass spectrometry and gas chromatography. The final conclusion from the detailed considerations is that a performance standard for anesthesia gas monitoring is desirable and timely. response times...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1989
ISBN-10: 0-8031-1176-2
ISBN: 978-0-8031-1176-9
... colorimetric gas chromatography mass spectrometry carbon monoxide nitrogen dioxide formaldehyde volatile organic chemicals pesticides polynuclear aromatic hydrocarbons radon Robert G. Lewis 1 and Lance Wallace2 Workshop Instrumentation and Methods for Measurement of Indoor Air Quality and Related...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1989
ISBN-10: 0-8031-1252-1
ISBN: 978-0-8031-1252-0
... emission spectrometry, size exclusion chromatography, gas chromatography, and thermal analysis be integrated into existing flight test programs. A “two-stage” monitoring scheme consisting of standard physical-chemical tests and these analytical techniques provided essential data about the fluid's response...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1989
ISBN-10: 0-8031-1198-3
ISBN: 978-0-8031-1198-1
... An expert system has been developed for the interpretation of the gas chromatography/mass spectrometry (GC/MS) spectra of fossil fuel distillates. The approach extends the scope of commercially available data systems by using interpretation rules generally carried out by a skilled professional...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-1179-7
ISBN: 978-0-8031-1179-0
... the data that the method provides. These techniques include such concepts as key gases, ratios of gas concentrations, nomographs, and rates of gas generation. dissolved gases fault detection incipient faults gas chromatography key gases gas concentration ratios nomograph gas generation rates...