Zobrazeno 1 - 10
of 27
pro vyhledávání: '"W F Gutknecht"'
Publikováno v:
Epidemiology. 6:S29
Autor:
W. F. Gutknecht, M. A. Ditzler
Publikováno v:
Analytical Chemistry. 50:1883-1886
Publikováno v:
Nuclear Instruments and Methods. 142:181-197
For several years a proton-induced X-ray emission (PIXE) analysis system has been under development in the 4 MeV Van de Graaff laboratory of TUNL. The present paper reports a few examples of current studies utilizing the multielement analytical capab
Publikováno v:
Journal of the Air Pollution Control Association. 33:823-826
A repository of 38 gaseous organic compounds in compressed gas cylinders has been established by EPA. This repository was established to provide standards for source test performance audits, that is, quantitative quality assurance tests. Among these
Autor:
W. F. Gutknecht, Paul K. C. Tseng
Publikováno v:
Analytical Chemistry. 47:2316-2319
Autor:
W. F. Gutknecht, John M. Ariano
Publikováno v:
Analytical Chemistry. 48:281-287
Autor:
Mauri A. Ditzler, W. F. Gutknecht
Publikováno v:
Analytical Letters. 11:611-618
An indirect gas chromatographic procedure for the analysis of trace levels of Cu+ has been developed. The basis of the procedure is the Cu+ - catalyzed conversion of an aromatic diazonium salt to a chlorinated derivative which can be easily analyzed
Publikováno v:
Analytica Chimica Acta. 85:323-329
The application of proton-induced x-ray emission analysis (p.i.x.e.a.) has been extended to soils and soil extracts. Studies of metal abundances for six elements (Mn, Fe, Cu, Zn, Sr and Pb) are given for three soil samples and for four extracts at di
Autor:
W. F. Gutknecht, Paul K. C. Tseng
Publikováno v:
Analytical Letters. 9:795-805
Near-parallel efforts in our laboratories and those of I. Sekerka and J.F. Lechner of the Canada Center for Inland Waters have resulted in the development of a new bromide ion-selective electrode having an active membrane which is composed of a mixtu