Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Matt L. Weier"'
Publikováno v:
Polyhedron. 26:3724-3730
Raman and infrared spectra of the uranyl oxyhydroxide hydrate: curite is reported. Observed bands are attributed to the (UO2)2+ stretching and bending vibrations, U–OH bending vibrations, H2O and (OH)− stretching, bending and librational modes. U
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e0181721a4539e70c6be8922ddb90a2
https://doi.org/10.1016/j.poly.2007.04.023
https://doi.org/10.1016/j.poly.2007.04.023
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 66:979-984
Raman spectroscopy at 298 and 77 K of bergenite has been used to characterise this uranyl phosphate mineral. Bands at 995, 971 and 961 cm-1 (298 K) and 1006, 996, 971, 960 and 948 cm-1 (77K) are assigned to the nu1(PO4)3- symmetric stretching vibrati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7e417d136a70156b209984ddb8628af
https://doi.org/10.1016/j.saa.2006.04.036
https://doi.org/10.1016/j.saa.2006.04.036
Publikováno v:
Journal of Raman Spectroscopy. 38:1311-1319
Raman at 298 and 77 K and infrared spectra of two samples of sodium-zippeite were studied and interpreted. U-O bond lengths in uranyl were calculated and compared with those inferred from the X-ray single crystal structure data of a synthetic sodium-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d19b2960f26c7a946640acf85f8ac467
https://doi.org/10.1002/jrs.1768
https://doi.org/10.1002/jrs.1768
Publikováno v:
Journal of Raman Spectroscopy. 38:460-466
Raman and infrared spectra of five uranyl oxyhydroxide hydrates, becquerelite, billietite, curite, schoepite and vandendriesscheite are reported. Observed bands are attributed to the (UO2)2+ stretching and bending vibrations, U-OH bending vibrations,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::084239d7d99e23ff317ddc33f81b9beb
https://doi.org/10.1002/jrs.1669
https://doi.org/10.1002/jrs.1669
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
7 páginas, 9 figuras, 1 tabla.
Two sulphate efflorescent evaporite mineral samples from Jaroso, Spain have been studied by scanning electron microscopy and Raman spectroscopy. SEM by comparison with known minerals shows the evaporite mineral is
Two sulphate efflorescent evaporite mineral samples from Jaroso, Spain have been studied by scanning electron microscopy and Raman spectroscopy. SEM by comparison with known minerals shows the evaporite mineral is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e06d8bf6437a393b778d0da059fc289a
https://doi.org/10.1016/j.saa.2006.01.054
https://doi.org/10.1016/j.saa.2006.01.054
Publikováno v:
Journal of Raman Spectroscopy. 38:398-409
Uranopilite, \[(UO2)6(SO4)O2(OH)6(H2O)6](H2O)8, the composition of which may vary, can be understood as a complex hydrated uranyl oxy hydroxy sulfate. The structure of uranopilite of different localities has been studied by Raman spectroscopy at 298
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d50abc354f6bd2e4ebf609b6a10bf0c
https://doi.org/10.1002/jrs.1660
https://doi.org/10.1002/jrs.1660
Publikováno v:
Journal of Raman Spectroscopy. 38:574-583
Raman and infrared spectroscopy has enabled insights into the molecular structure of the sampleite group of minerals. These minerals are based upon the incorporation of either phosphate or arsenate with chloride anion into the structure and as a cons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a155f61ed3509e3ede58c79d463726d4
https://doi.org/10.1002/jrs.1702
https://doi.org/10.1002/jrs.1702
Publikováno v:
Neues Jahrbuch für Mineralogie - Abhandlungen. 183:107-116
The two basic nickel carbonate minerals otwayite and paraotwayite have been studied by scanning electron microscopy, EDX, Raman and infrared spectroscopy. The SEM images of paraotwayite show a mesh like structure with many pores. This leads to the su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d90984c09614e66d35b0221d08a1e4f
https://doi.org/10.1127/0077-7757/2006/0062
https://doi.org/10.1127/0077-7757/2006/0062
Autor:
Matt L. Weier, Ray L. Frost
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 65:623-627
The mineral allactite [Mn(7)(AsO(4))(2)(OH)(8)] is a basic manganese arsenate which is highly pleochroic. The use of the 633 nm excitation line enables quality spectra of to be obtained irrespective of the crystal orientation. The mineral is characte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::281c9f601a6f7ad55a1c0e7032976705
https://doi.org/10.1016/j.saa.2005.12.020
https://doi.org/10.1016/j.saa.2005.12.020
Publikováno v:
Applied Spectroscopy. 60:1293-1296
A Ni-Co-As ore sample from Cobalt City, Ontario, Canada, was examined with scanning electron microscopy and energy dispersive X-ray analysis. In addition to cobaltian pararammelsbergite with variable cobalt content, for which Cobalt City is the type
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66db308818b4b92664391f133dab91de
https://doi.org/10.1366/000370206778999148
https://doi.org/10.1366/000370206778999148