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Using XPS to determine solute solubility in room temperature ionic liquids.

Abstract:

X-Ray Photoelectron Spectroscopy (XPS) was used to quantify the amount of bromide ions present in two samples of [C(4)mpyrr]Br dissolved in the room temperature ionic liquid (RTIL) [C(4)mpyrr][N(Tf)2]. One sample was of a known concentration (0.436 Br atom%); the other was a saturated solution. The results obtained from quantitative XPS analysis indicated that the saturated sample had a concentration, or solubility, of 0.90 Br atom% (746 mM) at 298 K, which was then independently confirmed by...

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Publication status:
Published

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Publisher copy:
10.1039/b700212b

Authors


Silvester, DS More by this author
Broder, TL More by this author
Hardacre, C More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
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Journal:
The Analyst
Volume:
132
Issue:
3
Pages:
196-198
Publication date:
2007-03-05
DOI:
EISSN:
1364-5528
ISSN:
0003-2654
URN:
uuid:43e4a88f-10b8-4cc1-85d1-0db0a16ab570
Source identifiers:
33773
Local pid:
pubs:33773

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