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Effects of The Unit of Columns on The Separation (2) (LF-404: Epoxy Resin)


Each one, two and three units of GPC LF-404, were used for the analysis of epoxy resin. Only a single unit of LF-404 can determine a broad range of molecular weights from 300 to 2,000,000. However the resolution is higher depending on the number of columns, so it is better to use several units of columns for obtaining more accurate molecular weight distribution.

Sample : 0.2% EPON 1009, 10μL

Columns      : Shodex GPC LF-404 (4.6mmI.D. x 250mm) x n
Eluent       : THF
Flow rate    : 0.3mL/min
Detector     : Shodex RI(small cell volume)
Column temp. : 40°C

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