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The effect of counter ions in matrix-assisted laser desorption/ionization of poly(methyl methacrylate)
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UNSPECIFIED (1998) The effect of counter ions in matrix-assisted laser desorption/ionization of poly(methyl methacrylate). EUROPEAN MASS SPECTROMETRY, 4 (6). pp. 435-440. ISSN 1356-1049
Full text not available from this repository.Abstract
The role of the counter anion in positive-ion matrix-assisted laser desorption/ionization (MALDI) mass spectrometry of poly(methyl methacrylate) (PMMA) has been investigated. When PMMA was analyzed by MALDI in the presence of different alkali metal halides, A(+)X(-), ion yields decreased on changing X- from I- to Br- to Cl-. The effects of changing the alkali metal cation A(+) were greater when X- was chloride than when X- was iodide, With a mixture of two different alkali metal cations, PMMA showed different affinities for the cations, dependent upon which counter anion was present.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Journal or Publication Title: | EUROPEAN MASS SPECTROMETRY |
| Publisher: | IM PUBLICATIONS |
| ISSN: | 1356-1049 |
| Date: | 1998 |
| Volume: | 4 |
| Number: | 6 |
| Number of Pages: | 6 |
| Page Range: | pp. 435-440 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/14254 |
Data sourced from Thomson Reuters' Web of Knowledge
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