Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Kent I. Mahan"'
Publikováno v:
Mikrochimica Acta. 108:19-27
Comparisons were made of various methods for the homogenization of sediment slurries for the determination of Pb and Cd by ETA-AAS. Homogenization techniques evaluated included the use of impact bead, propeller and foamless generators, vortexing and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::878db5388326d2ecfed59549b8ddeb39
https://doi.org/10.1007/bf01240368
https://doi.org/10.1007/bf01240368
Publikováno v:
Analytica Chimica Acta. 135:205-214
Summary The preconcentration of uranium from natural waters at μg l -1 levels with an iron dibenzyldithiocarbamate carrier complex followed by vacuum filtration, collection of the precipitate as a thin-film and wavelength-dispersive x-ray fluorescen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94539545a6dfca059d04dd26af1487e1
https://doi.org/10.1016/s0003-2670(01)93901-7
https://doi.org/10.1016/s0003-2670(01)93901-7
Autor:
Kent I. Mahan, Donald E. Leyden
Publikováno v:
Advances in X-ray Analysis. 25:95-102
Since first introduced by Claisse, twenty-five years ago, borate fusions have been used in XRF analysis of a wide variety of materials because fusion eliminates many of the problems associated with particle size and matrix effects encountered in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7a58d336fd9d79d5be1ba73cdb28f11
https://doi.org/10.1154/s0376030800009587
https://doi.org/10.1154/s0376030800009587
Publikováno v:
Analytica Chimica Acta. 147:133-150
A method for the multi-element determination of major, minor and trace metals in sediments by mineral acid extraction (HNO3/HCl) and atomic absorption spectrometry (a.a.s.) is evaluated with the use of NBS SRM-1645 and applied in the analysis of rive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c35fb3e80219830e2bb5aa9f7dada7f
https://doi.org/10.1016/0003-2670(83)80079-8
https://doi.org/10.1016/0003-2670(83)80079-8
Autor:
Kent I. Mahan, D. E. Leyden
Publikováno v:
Analytica Chimica Acta. 147:123-131
Fluvial sediments, including the NBS SRM-1645 Standard River Sediment, were fused in lithium tetraborate to form glass discs on which determinations of 16 elements (K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Rb, Sr, Y, Zr and Pb) were obtained simulta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f0549a9959b69965697c17c7696680f
https://doi.org/10.1016/0003-2670(83)80078-6
https://doi.org/10.1016/0003-2670(83)80078-6
Autor:
Tressa L. Garza, Ellen M. Willging, Tom A. Foderaro, Kent I. Mahan, Russell M. Martinez, Gary A. Maroney, Mike R. Trivisonno
Publikováno v:
Analytical Chemistry. 59:938-945
The sequential extraction scheme of Tessier partitions metals in sediments into exchangeable, carbonate bound iron-manganese oxide bound, organic bound, and residual binding fractions. Extraction rate experiments using conventional and microwave heat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c571ece13f8c09978bed82d843020a3
https://doi.org/10.1021/ac00134a003
https://doi.org/10.1021/ac00134a003
Use of sensitivity as a function of fluorescent x-ray energy in energy-dispersive x-ray spectrometry
Publikováno v:
Analytica Chimica Acta. 188:59-66
The approximate linear relationship between the logarithm of the sensitivity and the logarithm of the energy of the observed characteristic x-ray emission is used to show the relative retention of elements during fusion with lithium tetraborate to fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b22a207cd534cacbbbf100b30712e6c
https://doi.org/10.1016/s0003-2670(00)86029-8
https://doi.org/10.1016/s0003-2670(00)86029-8
Autor:
John K. Garland, Kent I. Mahan
Publikováno v:
The Journal of Physical Chemistry. 75:1031-1036
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf1424b5f854935ebe02b9ec8f20a840
https://doi.org/10.1021/j100678a003
https://doi.org/10.1021/j100678a003
Publikováno v:
Analytical Letters. 1:933-939
This work describes use of unmatched dual column switching and limited temperature programming while maintainig conditions for proportional counting in radio gas chromatography. Products of recoil tritium reactions with propene and cyclohexene were a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa153e08c6232eade154f47eca1e5c99
https://doi.org/10.1080/00032716808051725
https://doi.org/10.1080/00032716808051725
Autor:
John K. Garland, Kent I. Mahan
Publikováno v:
The Journal of Physical Chemistry. 73:1247-1251
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c17fca2c3352461b171eb43154a6dc2c
https://doi.org/10.1021/j100725a012
https://doi.org/10.1021/j100725a012