Zobrazeno 1 - 10
of 58
pro vyhledávání: '"David H. Freeman"'
Publikováno v:
MEDICAL DEVICES & SENSORS. 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9f9acb8144a90c24e7d9e40810349d8
https://doi.org/10.1002/mds3.10145
https://doi.org/10.1002/mds3.10145
Autor:
Thomas C. O'Haver, David H. Freeman
Publikováno v:
Energy & Fuels. 4:688-694
Derivative spectroscopy is found to be ideally suited to porphyrin geochemical analysis through numerical differentiation of digitized data provided by diode array spectrophotometry. Choices are made among several derivative and data-averaging algori
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb4bf90439fec3d3cb8ca0d7c24175eb
https://doi.org/10.1021/ef00024a012
https://doi.org/10.1021/ef00024a012
Autor:
David H. Freeman
Publikováno v:
Analytical Chemistry. 53:2-5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a90e21e2ffaf5a90895e56a897c71c72
https://doi.org/10.1021/ac00224a003
https://doi.org/10.1021/ac00224a003
Autor:
David H. Freeman, Thomas C. Hoering
Publikováno v:
Journal of Chromatography A. 316:333-341
The complete isolation of monomethylalkanes from complex hydrocarbon mixtures is demonstrated. The technique is based on the molecular sieve properties of silicalite, a recently synthesized zeolite. Silicalite provides a direct isolation, ca. 40% pur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd99b3c6928d0990d0337b52af7b7372
https://doi.org/10.1016/s0021-9673(00)96163-6
https://doi.org/10.1016/s0021-9673(00)96163-6
Autor:
David H. Freeman, Joseph S. Flynn
Publikováno v:
Journal of Chromatography A. 386:111-121
The retention behavior of nickel and vanadyl metalloporphyrins in reversed-phase high-performance liquid chromatography has been studied. Water or strong bases added to the otherwise non-aqueous mobile phase systems were found to enhance the separati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f27b25786b8cc07f46ba67d2af4d98ed
https://doi.org/10.1016/s0021-9673(01)94589-3
https://doi.org/10.1016/s0021-9673(01)94589-3
Autor:
David H. Freeman, Rosalie M. Angeles
Publikováno v:
Journal of Chromatographic Science. 12:730-735
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19852a8f4d44f00612a7317b58c5cacd
https://doi.org/10.1093/chromsci/12.11.730
https://doi.org/10.1093/chromsci/12.11.730
Publikováno v:
Analytical Chemistry. 50:175-179
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::304fcd549851c561769d92e32941a755
https://doi.org/10.1021/ac50023a039
https://doi.org/10.1021/ac50023a039
Autor:
David H. Freeman, James C. Peterson
Publikováno v:
International Journal of Environmental Analytical Chemistry. 12:277-291
A comprehensive quality assurance program was applied to the analysis of phthalate esters in sediment. By utilizing the rapid ultrasonic extraction of dried sediment and the detection capabilities of selected ion monitoring mass spectrometry, the ana
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39595cdd75bebbf95c2f3a9253d21631
https://doi.org/10.1080/03067318208078334
https://doi.org/10.1080/03067318208078334
Autor:
Steven B. Schram, David H. Freeman
Publikováno v:
Analytical Chemistry. 53:1235-1238
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be74de250d9ccb1a6e3511190f181c1a
https://doi.org/10.1021/ac00231a024
https://doi.org/10.1021/ac00231a024
Publikováno v:
Analytical Chemistry. 50:997-1000
The dynamic coupled column liquid chromatographic (DCCLC) method for determining the solubility of polycyclic aromatic hydrocarbons (PAH) in water is described. The DCCLC technique is a very rapid, precise, and accurate method for determining the aqu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3aa0390f4c4e594ca85f7bf3122e1b5e
https://doi.org/10.1021/ac50029a042
https://doi.org/10.1021/ac50029a042