Calibration of the infrared molar absorption coefficients for H in olivine, clinopyroxene and rhyolitic glass by elastic recoil detection analysis

Cyril Aubaud; Hélène Bureau; Caroline Raepsaet; Hicham Khodja; Anthony C. Withers; Marc M Hirschmann; David R. Bell

doi:10.1016/j.chemgeo.2009.01.001

Calibration of the infrared molar absorption coefficients for H in olivine, clinopyroxene and rhyolitic glass by elastic recoil detection analysis

Cyril Aubaud, Hélène Bureau, Caroline Raepsaet, Hicham Khodja, Anthony C. Withers, Marc M Hirschmann, David R. Bell

Earth and Environmental Sciences-Twin Cities

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

We use a nuclear microbeam technique (Elastic Recoil Detection Analysis or ERDA) to measure the H content in 2 rhyolitic glasses, 4 olivines, 4 orthopyroxenes, and 7 clinopyroxenes. These samples have been characterized previously for their OH absorption spectra by infrared (FTIR) spectroscopy. We use ERDA and FTIR data to calibrate the infrared molar absorption coefficients. The blank level of the ERDA method is 102 ± 81 ppm H₂O, too great for the analysis of many natural nominally anhydrous minerals (NAMs) from the upper mantle, but applicable to H-rich glasses, natural and synthetic NAMs. Calibration of the molar absorption coefficient ε with the ERDA results gives 95 ± 8 l mol^{- 1} cm^{- 1} for rhyolitic glasses (peak height), 34,515 ± 7050 l mol^{- 1} cm^{- 2} for olivine and 46,103 ± 5300 l mol^{- 1} cm^{- 2} for clinopyroxene (integrated area). The olivine calibration of the present study is intermediate between that of Bell et al. [Bell, D.R., Rossman, G.R., Maldener, J., Endisch, D. and Rauch, F., 2003. Hydroxide in olivine: a quantitative determination of the absolute amount and calibration of the IR spectrum. Journal of Geophysical Research, 108(B2). doi:10.1029/2001JB000679] and that of Libowitzky and Rossman [Libowitzky, E. and Rossman, G.R., 1997. An IR absorption calibration for water in minerals. American Mineralogist, 82: 1111-1115]. For clinopyroxene, the best agreement with the ERDA data is obtained for the Libowitzky and Rossman [Libowitzky, E. and Rossman, G.R., 1997. An IR absorption calibration for water in minerals. American Mineralogist, 82: 1111-1115] calibration (5% lower than the ERDA data). The present calibration also confirms that the Paterson [Paterson, M.S., 1982. The determination of hydroxyl by infrared absorption in quartz, silicate glasses and similar materials. Bulletin de Mineralogie, 105: 20-29] calibration systematically underestimates the OH content in olivine.

Original language	English (US)
Pages (from-to)	286-294
Number of pages	9
Journal	Chemical Geology
Volume	260
Issue number	3-4
DOIs	https://doi.org/10.1016/j.chemgeo.2009.01.001
State	Published - Mar 30 2009

Bibliographical note

Funding Information:
The authors want to thank J. Hoarau for his constant and precious help and for the design of the detection setup. We address many thanks to O. Belhadj for the sample preparation. We are also very grateful to the operators of the microprobe, F. Saillant and D. Guillier, for the precise and steady beam. Many thanks to Rajdeep Dasgupta for providing us with the sample from the Red Hill Cinder Cone, Gilles Brocard for the sample from Lipari, and Mark Zimmermann and David Kohlstedt for samples from San Carlos and Yakutia. Parts of this work were carried out in the Institute of Technology Characterization Facility, University of Minnesota, which receives partial support from NSF through the NNIN program. This work was also supported by NSF grant EAR0456405 to MMH and by the French Commissariat à l'Energie Atomique (CEA). IPGP contribution number 2465.

Keywords

Elastic recoil detection analysis
Infrared spectroscopy
Nominally anhydrous minerals
Volcanic glasses
Water

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title = "Calibration of the infrared molar absorption coefficients for H in olivine, clinopyroxene and rhyolitic glass by elastic recoil detection analysis",

abstract = "We use a nuclear microbeam technique (Elastic Recoil Detection Analysis or ERDA) to measure the H content in 2 rhyolitic glasses, 4 olivines, 4 orthopyroxenes, and 7 clinopyroxenes. These samples have been characterized previously for their OH absorption spectra by infrared (FTIR) spectroscopy. We use ERDA and FTIR data to calibrate the infrared molar absorption coefficients. The blank level of the ERDA method is 102 ± 81 ppm H2O, too great for the analysis of many natural nominally anhydrous minerals (NAMs) from the upper mantle, but applicable to H-rich glasses, natural and synthetic NAMs. Calibration of the molar absorption coefficient ε with the ERDA results gives 95 ± 8 l mol- 1 cm- 1 for rhyolitic glasses (peak height), 34,515 ± 7050 l mol- 1 cm- 2 for olivine and 46,103 ± 5300 l mol- 1 cm- 2 for clinopyroxene (integrated area). The olivine calibration of the present study is intermediate between that of Bell et al. [Bell, D.R., Rossman, G.R., Maldener, J., Endisch, D. and Rauch, F., 2003. Hydroxide in olivine: a quantitative determination of the absolute amount and calibration of the IR spectrum. Journal of Geophysical Research, 108(B2). doi:10.1029/2001JB000679] and that of Libowitzky and Rossman [Libowitzky, E. and Rossman, G.R., 1997. An IR absorption calibration for water in minerals. American Mineralogist, 82: 1111-1115]. For clinopyroxene, the best agreement with the ERDA data is obtained for the Libowitzky and Rossman [Libowitzky, E. and Rossman, G.R., 1997. An IR absorption calibration for water in minerals. American Mineralogist, 82: 1111-1115] calibration (5% lower than the ERDA data). The present calibration also confirms that the Paterson [Paterson, M.S., 1982. The determination of hydroxyl by infrared absorption in quartz, silicate glasses and similar materials. Bulletin de Mineralogie, 105: 20-29] calibration systematically underestimates the OH content in olivine.",

keywords = "Elastic recoil detection analysis, Infrared spectroscopy, Nominally anhydrous minerals, Volcanic glasses, Water",

author = "Cyril Aubaud and H{\'e}l{\`e}ne Bureau and Caroline Raepsaet and Hicham Khodja and Withers, {Anthony C.} and Hirschmann, {Marc M} and Bell, {David R.}",

note = "Funding Information: The authors want to thank J. Hoarau for his constant and precious help and for the design of the detection setup. We address many thanks to O. Belhadj for the sample preparation. We are also very grateful to the operators of the microprobe, F. Saillant and D. Guillier, for the precise and steady beam. Many thanks to Rajdeep Dasgupta for providing us with the sample from the Red Hill Cinder Cone, Gilles Brocard for the sample from Lipari, and Mark Zimmermann and David Kohlstedt for samples from San Carlos and Yakutia. Parts of this work were carried out in the Institute of Technology Characterization Facility, University of Minnesota, which receives partial support from NSF through the NNIN program. This work was also supported by NSF grant EAR0456405 to MMH and by the French Commissariat {\`a} l'Energie Atomique (CEA). IPGP contribution number 2465.",

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doi = "10.1016/j.chemgeo.2009.01.001",

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T1 - Calibration of the infrared molar absorption coefficients for H in olivine, clinopyroxene and rhyolitic glass by elastic recoil detection analysis

AU - Aubaud, Cyril

AU - Bureau, Hélène

AU - Raepsaet, Caroline

AU - Khodja, Hicham

AU - Withers, Anthony C.

AU - Hirschmann, Marc M

AU - Bell, David R.

N1 - Funding Information: The authors want to thank J. Hoarau for his constant and precious help and for the design of the detection setup. We address many thanks to O. Belhadj for the sample preparation. We are also very grateful to the operators of the microprobe, F. Saillant and D. Guillier, for the precise and steady beam. Many thanks to Rajdeep Dasgupta for providing us with the sample from the Red Hill Cinder Cone, Gilles Brocard for the sample from Lipari, and Mark Zimmermann and David Kohlstedt for samples from San Carlos and Yakutia. Parts of this work were carried out in the Institute of Technology Characterization Facility, University of Minnesota, which receives partial support from NSF through the NNIN program. This work was also supported by NSF grant EAR0456405 to MMH and by the French Commissariat à l'Energie Atomique (CEA). IPGP contribution number 2465.

PY - 2009/3/30

Y1 - 2009/3/30

N2 - We use a nuclear microbeam technique (Elastic Recoil Detection Analysis or ERDA) to measure the H content in 2 rhyolitic glasses, 4 olivines, 4 orthopyroxenes, and 7 clinopyroxenes. These samples have been characterized previously for their OH absorption spectra by infrared (FTIR) spectroscopy. We use ERDA and FTIR data to calibrate the infrared molar absorption coefficients. The blank level of the ERDA method is 102 ± 81 ppm H2O, too great for the analysis of many natural nominally anhydrous minerals (NAMs) from the upper mantle, but applicable to H-rich glasses, natural and synthetic NAMs. Calibration of the molar absorption coefficient ε with the ERDA results gives 95 ± 8 l mol- 1 cm- 1 for rhyolitic glasses (peak height), 34,515 ± 7050 l mol- 1 cm- 2 for olivine and 46,103 ± 5300 l mol- 1 cm- 2 for clinopyroxene (integrated area). The olivine calibration of the present study is intermediate between that of Bell et al. [Bell, D.R., Rossman, G.R., Maldener, J., Endisch, D. and Rauch, F., 2003. Hydroxide in olivine: a quantitative determination of the absolute amount and calibration of the IR spectrum. Journal of Geophysical Research, 108(B2). doi:10.1029/2001JB000679] and that of Libowitzky and Rossman [Libowitzky, E. and Rossman, G.R., 1997. An IR absorption calibration for water in minerals. American Mineralogist, 82: 1111-1115]. For clinopyroxene, the best agreement with the ERDA data is obtained for the Libowitzky and Rossman [Libowitzky, E. and Rossman, G.R., 1997. An IR absorption calibration for water in minerals. American Mineralogist, 82: 1111-1115] calibration (5% lower than the ERDA data). The present calibration also confirms that the Paterson [Paterson, M.S., 1982. The determination of hydroxyl by infrared absorption in quartz, silicate glasses and similar materials. Bulletin de Mineralogie, 105: 20-29] calibration systematically underestimates the OH content in olivine.

AB - We use a nuclear microbeam technique (Elastic Recoil Detection Analysis or ERDA) to measure the H content in 2 rhyolitic glasses, 4 olivines, 4 orthopyroxenes, and 7 clinopyroxenes. These samples have been characterized previously for their OH absorption spectra by infrared (FTIR) spectroscopy. We use ERDA and FTIR data to calibrate the infrared molar absorption coefficients. The blank level of the ERDA method is 102 ± 81 ppm H2O, too great for the analysis of many natural nominally anhydrous minerals (NAMs) from the upper mantle, but applicable to H-rich glasses, natural and synthetic NAMs. Calibration of the molar absorption coefficient ε with the ERDA results gives 95 ± 8 l mol- 1 cm- 1 for rhyolitic glasses (peak height), 34,515 ± 7050 l mol- 1 cm- 2 for olivine and 46,103 ± 5300 l mol- 1 cm- 2 for clinopyroxene (integrated area). The olivine calibration of the present study is intermediate between that of Bell et al. [Bell, D.R., Rossman, G.R., Maldener, J., Endisch, D. and Rauch, F., 2003. Hydroxide in olivine: a quantitative determination of the absolute amount and calibration of the IR spectrum. Journal of Geophysical Research, 108(B2). doi:10.1029/2001JB000679] and that of Libowitzky and Rossman [Libowitzky, E. and Rossman, G.R., 1997. An IR absorption calibration for water in minerals. American Mineralogist, 82: 1111-1115]. For clinopyroxene, the best agreement with the ERDA data is obtained for the Libowitzky and Rossman [Libowitzky, E. and Rossman, G.R., 1997. An IR absorption calibration for water in minerals. American Mineralogist, 82: 1111-1115] calibration (5% lower than the ERDA data). The present calibration also confirms that the Paterson [Paterson, M.S., 1982. The determination of hydroxyl by infrared absorption in quartz, silicate glasses and similar materials. Bulletin de Mineralogie, 105: 20-29] calibration systematically underestimates the OH content in olivine.

KW - Elastic recoil detection analysis

KW - Infrared spectroscopy

KW - Nominally anhydrous minerals

KW - Volcanic glasses

KW - Water

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Calibration of the infrared molar absorption coefficients for H in olivine, clinopyroxene and rhyolitic glass by elastic recoil detection analysis

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Keywords

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