Endgroup determination of synthetic polymers by electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2000-06-01

AUTHORS

Sander Koster, Marc C. Duursma, Jaap J. Boon, Ron M. A. Heeren

ABSTRACT

Electrospray ionization (ESI) was performed on a Fourier transform ion cyclotron resonance mass spectrometer for the endgroup and monomer mass determination of three poly(oxyalkylene)s in the mass range of 400–8000 Da. A combined use of the multiple charge states observed with ESI, leads to a threefold increase in accuracy of the endgroup and monomer determination. The improvement is attributed to the increased number of datapoints used for the regression procedure, yielding more accurate results. Endgroup masses are determined with a mass error better than 5 and 75 millimass units for the molecular weight range of 400–4200 and 6200–8000 Da, respectively. A mass error of better than 1 millimass unit was observed for all monomer mass determinations. With ESI, endgroup and monomer masses have been determined for poly(ethylene glycol) oligomers with a mass higher than 8000 Da. This is almost two times higher than observed with matrix-assisted laser desorption/ ionization on the same instrument. More... »

PAGES

536-543

Identifiers

URI

http://scigraph.springernature.com/pub.10.1016/s1044-0305(00)00115-x

DOI

http://dx.doi.org/10.1016/s1044-0305(00)00115-x

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1004917895

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/10833027


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