Vesuvianite, a complex sorosilicate, often contains variable (from trace-to-minor-element) amounts of H, B and F. We describe a microanalytical study of H, B and F in vesuvianite by means of Electron Probe Microanalysis (EPMA), Secondary Ion Mass Spectrometry (SIMS), and single-crystal Fourier-Transform InfraRed (FTIR) spectroscopy. Most crystals investigated are B- (up to 3.67 wt% B2O3) and F-rich (up to 2.38 wt%); H2O ranges from 0.243 to 0.665 wt%. The H data obtained by SIMS allowed us to calibrate the quantitative analysis of H2O by FTIR spectroscopy. The resulting molar absorption coefficient (epsilon(i) = 100 000 +/- 2000 L center dot mol(-1) center dot cm(-2)) is in excellent agreement with working curves available from the literature. Moreover, the SIMS data allowed us to obtain the calibration curve to estimate the B2O3 content on the basis on the FTIR absorbance: a(i) = 34000 +/- 1400 center dot B2O3 (wt%).

Bellatreccia, F., Ottolini, L., DELLA VENTURA, G. (2006). Microanalysis of H and B in vesuvianite by SIMS, EMPA and FTIR. MIKROCHIMICA ACTA, 155, 91-94 [10.1007/s00604-006-0523-z].

Microanalysis of H and B in vesuvianite by SIMS, EMPA and FTIR

BELLATRECCIA, FABIO;DELLA VENTURA, Giancarlo
2006-01-01

Abstract

Vesuvianite, a complex sorosilicate, often contains variable (from trace-to-minor-element) amounts of H, B and F. We describe a microanalytical study of H, B and F in vesuvianite by means of Electron Probe Microanalysis (EPMA), Secondary Ion Mass Spectrometry (SIMS), and single-crystal Fourier-Transform InfraRed (FTIR) spectroscopy. Most crystals investigated are B- (up to 3.67 wt% B2O3) and F-rich (up to 2.38 wt%); H2O ranges from 0.243 to 0.665 wt%. The H data obtained by SIMS allowed us to calibrate the quantitative analysis of H2O by FTIR spectroscopy. The resulting molar absorption coefficient (epsilon(i) = 100 000 +/- 2000 L center dot mol(-1) center dot cm(-2)) is in excellent agreement with working curves available from the literature. Moreover, the SIMS data allowed us to obtain the calibration curve to estimate the B2O3 content on the basis on the FTIR absorbance: a(i) = 34000 +/- 1400 center dot B2O3 (wt%).
2006
Bellatreccia, F., Ottolini, L., DELLA VENTURA, G. (2006). Microanalysis of H and B in vesuvianite by SIMS, EMPA and FTIR. MIKROCHIMICA ACTA, 155, 91-94 [10.1007/s00604-006-0523-z].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11590/157436
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