Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Andrew M. Leach"'
Publikováno v:
Analytical Chemistry. 75:967-972
A microfluidic flow injection analysis system has been designed and evaluated. The system incorporates within a single two-layer poly(dimethylsiloxane) monolith multiple pneumatically driven peristaltic pumps, an injection loop, a mixing column, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c6afc7685d468d655f13f7ffbd6eccc
https://doi.org/10.1021/ac026112l
https://doi.org/10.1021/ac026112l
Autor:
Gary M. Hieftje, Andrew M. Leach
Publikováno v:
Journal of Analytical Atomic Spectrometry. 17:852-857
Single shot laser ablation inductively coupled plasma time-of-flight mass spectrometry (LA-ICP-TOFMS) has been developed as a method for the rapid identification of alloy samples. This technique provides good accuracy for elemental concentrations gre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d39c68b63a86142ccfc0e2fb13973c59
https://doi.org/10.1039/b203523p
https://doi.org/10.1039/b203523p
Autor:
Andrew M. Leach, Gary M. Hieftje
Publikováno v:
Applied Spectroscopy. 56:62-69
Low sample consumption and high achievable spatial resolution combine to make laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) an attractive direct sampling technique for the analysis of solids. These desirable characteristics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50edf9e6f6fd34c0f3d85fe72bc24026
https://doi.org/10.1366/0003702021954223
https://doi.org/10.1366/0003702021954223
Autor:
Gary M. Hieftje, Andrew M. Leach
Publikováno v:
International Journal of Mass Spectrometry. 212:49-63
An axial-acceleration inductively coupled plasma time-of-flight mass spectrometer has been equipped with an octopole ion guide/collision cell. Ion-energy experiments prove that instrument duty cycle improves by up to 100% over values determined for c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5710c455c692f868555b65ffdd342d33
https://doi.org/10.1016/s1387-3806(01)00491-2
https://doi.org/10.1016/s1387-3806(01)00491-2
Autor:
Denise M. McClenathan, Steven J. Ray, Ole A. Grøn, M. Bonner Denton, Gary M. Hieftje, David A. Solyom, David W. Koppenaal, James H. Barnes, William C. Wetzel, Andrew M. Leach
Publikováno v:
Pure and Applied Chemistry. 73:1579-1588
Plasma-source mass spectrometry, usually in the form of inductively coupled plasma mass spectrometry (ICP-MS), has matured into a widely accepted method for ultra-trace multielemental analysis. However, the method exhibits shortcomings. For example,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3a9b47d0c7a026f383e9f6265bac6cf
https://doi.org/10.1351/pac200173101579
https://doi.org/10.1351/pac200173101579
Autor:
Gary M. Hieftje, Nicolas H. Bings, John P. Guzowski, Andrew M. Leach, José M. Costa-Fernández
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 55:767-778
Time-of-flight mass spectrometry (TOFMS) has recently been introduced as an alternative to scanning-based mass analyzers for use in elemental analysis. Coupled with an inductively coupled plasma or alternative ion source, TOFMS can produce a complete
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c8fbd98b24c5d196fa19718b988443a
https://doi.org/10.1016/s0584-8547(00)00181-6
https://doi.org/10.1016/s0584-8547(00)00181-6
Publikováno v:
Analytica Chimica Acta. 412:47-53
An environmentally sensitive radioluminescent light source is evaluated for use in remote optical-sensing applications. The sensor is composed of an α-particle-emitting radioisotope coupled with a temperature-sensitive phosphor. Radioluminescent emi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3e72b6211b13294d50f81f465ca016c
https://doi.org/10.1016/s0003-2670(00)00764-9
https://doi.org/10.1016/s0003-2670(00)00764-9
Autor:
Gary M. Hieftje, Andrew M. Leach
Publikováno v:
Journal of Analytical Atomic Spectrometry. 15:1121-1124
Single-shot laser ablation (one laser pulse per analysis) combined with inductively coupled plasma mass spectrometry offers tremendous potential for the direct elemental analysis of solid samples with high spatial resolution. However, the precision o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d576bfe732176690e286c4986248e69
https://doi.org/10.1039/b001968m
https://doi.org/10.1039/b001968m
Publikováno v:
J. Anal. At. Spectrom.. 15:1063-1067
Rapid simultaneous multielemental speciation was carried out by combining capillary electrophoresis (CE) with inductively coupled plasma time-of-flight mass spectrometry (ICP-TOFMS). Fast electrophoretic separation of a mixture of several anionic spe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a383fa56898e514827b1b586f1c5433
https://doi.org/10.1039/b000999g
https://doi.org/10.1039/b000999g
Publikováno v:
Analytica Chimica Acta. 402:267-274
A radioluminescent light source has been used in a detector for the flow injection (FI) determination of phosphorus by means of the vanadomolybdophosphoric (VMP) acid spectrophotometric method. A comparison with previous studies in which lamp-based i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26cad1a85fc6ba8afed799e9fcd3770b
https://doi.org/10.1016/s0003-2670(99)00536-x
https://doi.org/10.1016/s0003-2670(99)00536-x