Chemistry International
Vol. 22, No. 5, September 2000

2000, Vol. 22
No. 5 (September)
..Chemistry in Chile
..IUPAC Prize
..Air Quality in Denmark
..Highlights from the Web

..Reports from Symposia

..New Projects
..News and Notices
..Awards and Prizes
..New Books
..Provisional Recommendations
..Reports from Commissions
..Conference Announcements
..Conference Calendar

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Chemistry International
Vol. 22, No. 5
September 2000


New Project

Chemistry International, Round-Robin Test on the Molecular Characterization of Epoxy Resins by Liquid Chromatography

Epoxy resins are an important group of synthetic resins with many application areas. Thus far, only relatively primitive analytical tests have been used for routine characterization of epoxy resins. The simple characteristics are often unable to discriminate between different samples, to find structure vs. properties relations, and to evaluate production reproducibility. Liquid-chromatographic characterization of epoxy resins has been reported in the literature, but no standard procedure has been established and no systematic study of the results obtained in different laboratories has been reported.

IUPAC has approved a project to run a round-robin test on the analysis of epoxy resins by liquid chromatography. Two different samples of solid bisphenol A-based epoxy resins are intended to be analyzed by conventional size exclusion chromatography (SEC), SEC coupled with a light-scattering detector or a viscometer, and high-performance liquid chromatography (HPLC). Participants in the test can choose to employ only one of the methods mentioned or to use all of them. Participants from research as well as production plant laboratories are welcome, and the requirements for the samples should be addressed to Martin Kaska, SYNPO, S. K. Neumanna 1316, 532 07 Pardubice, Czech Republic, Tel.: +420 40 6304021; Fax: +420 40 6303333; E-mail: [email protected]. See projects/2000/990211_400_00.html for project description and update.


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