Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Jon W. Carnahan"'
Publikováno v:
Current Pharmaceutical Analysis. 4:206-214
Liquid chromatography (LC) remains the technique of choice for analytical separations of pharmaceutical compounds. Still today, new detector and column technologies are taking liquid chromatography to lower quantitation levels and improved selectivit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dae37fd1cabe1b390d865ba9d638a2f2
https://doi.org/10.2174/157341208786306234
https://doi.org/10.2174/157341208786306234
Publikováno v:
Progress in Quantum Electronics. 28:67-87
Acousto-optic tunable filters (AOTFs) are solid state wavelength tunable optical filters. Modern AOTFs are constructed by attaching piezoelectric transducers to an appropriate crystalline material. By driving the transducers at the appropriate freque
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21f11c089861d1700d78a4811c75a9ee
https://doi.org/10.1016/s0079-6727(03)00083-1
https://doi.org/10.1016/s0079-6727(03)00083-1
Publikováno v:
Applied Spectroscopy. 57:703-710
In two configurations, a solid-state acousto-optic (AO) deflector or modulator is mounted in a 0.5 m monochromator for background correction with inductively coupled plasma atomic emission spectrometry (ICP-AES). A fused silica acousto-optic modulato
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10081bd2b7a67777bae44264872414b5
https://doi.org/10.1366/000370203322005418
https://doi.org/10.1366/000370203322005418
Autor:
Jon W. Carnahan, Debashis Das
Publikováno v:
Analytica Chimica Acta. 444:229-239
The transport behavior of moderately volatile analyte in a membrane desolvation system is examined. With the goal of atomic emission determination of liquid chromatographic analytes, a tubular polytetrafluoroethylene membrane desolvator interface was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::406b5b556b8c556d5501a132d4b0e8a8
https://doi.org/10.1016/s0003-2670(01)01176-x
https://doi.org/10.1016/s0003-2670(01)01176-x
Autor:
Jon W. Carnahan, Stacey R. Gillespie
Publikováno v:
Applied Spectroscopy. 55:730-738
A quartz acousto-optic tunable filter (AOTF) is utilized as a wavelength selection device for inductively coupled plasma atomic emission spectrometry (ICP-AES). System design is detailed. Fundamental characterizations indicate that the useful spectra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3de90b226f96bd47ece5988c71235605
https://doi.org/10.1366/0003702011952424
https://doi.org/10.1366/0003702011952424
Autor:
Olujide T. Akinbo, Jon W. Carnahan
Publikováno v:
Analytica Chimica Acta. 390:217-226
A flat sheet membrane desolvator (FSMD) was used to extend the applicability of a 120 W helium microwave induced plasma (He-MIP) to elemental analysis of organic-solvent-based samples and element selective liquid chromatographic detection. With the F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49fa3c5dc5022e3540c1f8a6819e7c25
https://doi.org/10.1016/s0003-2670(99)00169-5
https://doi.org/10.1016/s0003-2670(99)00169-5
Autor:
Ewa G. Bucher, Jon W. Carnahan
Publikováno v:
Applied Spectroscopy. 53:603-611
The use of a paratellurite acousto-optic tunable filter (AOTF) is demonstrated as a monochromator for spectrophotometry. This device operates in the range of 400 to 700 nm with a resolution from 2.5 nm (at 633 nm) to 0.5 nm (at 400 nm). Results of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ddb4cba300d152e3f0d38df630b9f3f
https://doi.org/10.1366/0003702991946974
https://doi.org/10.1366/0003702991946974
Autor:
Jon W. Carnahan, Olujide T. Akinbo
Publikováno v:
Applied Spectroscopy. 52:1079-1085
The effect of a flat-sheet membrane desolvator (FSMD) on the analytical performance of a low-power (120 W) He-MIP (helium microwave-induced plasma) is examined. Ultrasonic nebulization with conventional desolvation of an aqueous solution resulted in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::497112c0ff596290b2bcc19550545f50
https://doi.org/10.1366/0003702981944977
https://doi.org/10.1366/0003702981944977
Publikováno v:
Applied Spectroscopy. 51:765-769
An acousto-optic diffraction device is mounted within a polychromator to perform spectral shifting for the purpose of background correction for atomic spectrometry. Controlling the applied frequency to the acousto-optic allows “on-line” and “of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6806b362965b12456e917c04d7a81ee
https://doi.org/10.1366/0003702971941089
https://doi.org/10.1366/0003702971941089
Publikováno v:
Applied Spectroscopy. 51:280-283
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbfe8fe461deeaa7be9e1d69e1e3e658
https://doi.org/10.1366/0003702971939974
https://doi.org/10.1366/0003702971939974