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Characterization of poly(methyl methacrylate) by matrix‐assisted laser desorption/ionization mass spectrometry. a comparison with supercritical fluid chromatography and gel permeation chromatography
Author(s) -
Sakurada Norio,
Fukuo Tsuyoshi,
Arakawa Ryuichi,
Ute Koichi,
Hatada Koichi
Publication year - 1998
Publication title -
rapid communications in mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.528
H-Index - 136
eISSN - 1097-0231
pISSN - 0951-4198
DOI - 10.1002/(sici)1097-0231(19981215)12:23<1895::aid-rcm414>3.0.co;2-2
Subject(s) - chemistry , dispersity , gel permeation chromatography , supercritical fluid chromatography , mass spectrometry , chromatography , methyl methacrylate , desorption , supercritical fluid , polymer , matrix assisted laser desorption/ionization , analytical chemistry (journal) , matrix (chemical analysis) , permeation , gas chromatography , polymer chemistry , organic chemistry , adsorption , membrane , polymerization , biochemistry
The laser power dependence on matrix‐assisted laser desorption/ionization time‐of‐flight mass spectrometry (MALDI‐TOFMS) has been studied by mixing equimolar amounts of three kinds of monodisperse poly(methyl methacrylate) (PMMA). Employing optimum laser power, the molecular weight information of the polydisperse PMMA was obtained, and the result compared with that obtained from supercritical fluid chromatography (SFC) and gel permeation chromatography (GPC). The average molecular weight of PMMA, obtained from the MALDI‐MS experiment, was found to be higher than that obtained from both SFC and GPC. The result implies that MALDI‐MS can detect higher molecular species of the polymer.Copyright © 1998 John Wiley & Sons, Ltd.