Zobrazeno 1 - 10
of 35
pro vyhledávání: '"William H. McClennen"'
Publikováno v:
The Journal of Adhesion. 89:507-520
Delaminations in aluminum-to-phenolic resin-cured ethylene-propylene-diene monomer (EPDM) rubber bondlines were studied by a variety of techniques, including surface chemical analysis, microscopy, gas chromatography/mass spectrometry (GC/MS), pyrolys
Publikováno v:
Field Analytical Chemistry & Technology. 4:219-238
The use of hyphenated GC-based methods in the development of portable chemical-monitoring instruments can offer considerable advantages to the instrument maker. Foremost among these advantages are specificity, speed, and lower costs. In this article,
Autor:
William H. McClennen, Neil S. Arnold, Jacek P. Dworzanski, Henk L. C. Meuzelaar, David J. Wager
Publikováno v:
Field Analytical Chemistry & Technology. 4:3-13
Both vehicle-portable and man-portable GC/MS techniques and applications are currently undergoing rapid further development. Vehicle-portable GC/MS technology is expanding into the area of temporally and spatially resolved mapping, formerly accessibl
Autor:
Neil S. Arnold, Sidney N. Thornton, A. Peter Snyder, William H. McClennen, Henk L. C. Meuzelaar, Jacek P. Dworzanski, Paul Cole
Publikováno v:
Field Analytical Chemistry & Technology. 1:295-305
A prototype automated pyrolysis-gas chromatography/ion mobility spectrometry (Py-GC/IMS) instrument was developed for (bio)aerosol characterization. The system combines a commercially available, hand-held GC/IMS device with a specially built platinum
Autor:
Jacek P. Dworzanski, Paul Cole, William H. McClennen, C. L. Vaughn, D. J. Wager, Henk L. C. Meuzelaar, Neil S. Arnold, T. J. Mott, S. N. Sheya
Publikováno v:
Field Analytical Chemistry & Technology. 1:109-116
Obtaining representative VOC (volatile organic compound) measurements in ambient environments which exhibit complex concentration gradients and/or trends is difficult when relying upon limited numbers of analyses obtained by simple pooling or averagi
Publikováno v:
Combustion Science and Technology. 101:483-503
Incineration is an important disposal method for the large volumes of sludge produced by industrial and municipal waste water treatment. This paper describes analytical methods developed for examining industrial sludge incineration processes and the
Publikováno v:
TrAC Trends in Analytical Chemistry. 13:286-293
Since hyphenated methods have all but replaced one-dimensional methods in the laboratory and demands for definitive field methods are increasing, hyphenated methods may well represent the next generation of field-portable analytical instruments. Gas
Autor:
Ashish Tripathi, Joel Dubow, Neil S. Arnold, William H. McClennen, Waleed M. Maswadeh, Henk L. C. Meuzelaar
Publikováno v:
Energy & Fuels. 7:1006-1012
A CO 2 laser Py-GC/MS system capable of identifying substantial numbers of pyrolysis products from single coal particles in the 50-150-μm range is reported. Also, a specially designed two-wavelength radiation thermometer module with integral video m
Autor:
Jacek P. Dworzanski, Henk L. C. Meuzelaar, William H. McClennen, Neil S. Arnold, Richard M. Buchanan
Publikováno v:
Analytical Chemistry. 65:2819-2823
Two doubly hyphenated, thermogravimetry-based analytical techniques, viz. TG/GC/MS and TG/ GC/IR, are described. A valveless, quartz, heated sample path between TG furnace and GC column minimizes losses of products. Furthermore, combination of a puls
Publikováno v:
Combustion Science and Technology. 85:259-269
Hydrocarbon and formaldehyde emissions from the combustion of pulverized wood waste were measured in a 100 kW, cylindrical combustion chamber measuring 0.61 by 0.61 m. The wood was pneumatically conveyed to the burner and natural gas was used as an a