Copper(I) chloride: a simple salt for enhancement of polystyrene cationization in matrix-assisted laser desorption/ionization mass spectrometry

Rapid Communications in Mass Spectrometry : RCM
Sándor KékiMiklós Zsuga

Abstract

The possibility of using copper(I) chloride as a doping salt to enhance the cationization of polystyrene in matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) was investigated. It was shown that copper(I) chloride possesses sufficient solubility in tetrahydrofuran. The parameters of the MALDI mass spectra of different polystyrene samples, such as the number-average (M(n)) and mass-average (M(w)) molecular mass values, obtained by copper(I) cationization were compared with those obtained by means of silver(I) cationization, and good agreement was found. It was also shown that application of copper(I) chloride as a doping salt, and dithranol as a matrix, ensured good MALDI mass spectra of the sample spots even after storage for 1 month.

References

Jan 1, 1996·Journal of the American Society for Mass Spectrometry·A M BeluR M Friedman
May 1, 1993·Journal of the American Society for Mass Spectrometry·P JuhaszK Biemann

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Citations

Feb 4, 2012·Journal of the American Society for Mass Spectrometry·S D M Chinthaka, M T Rodgers
Mar 22, 2008·Journal of the American Society for Mass Spectrometry·Sándor KékiMiklós Zsuga
Oct 19, 2014·Journal of the American Society for Mass Spectrometry·Juan WeiPeter B O'Connor
Aug 28, 2001·Journal of Mass Spectrometry : JMS

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