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Comparison of Analysis of PMMA with Down-sized GPC Columns

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The calibration curves for downsized GPC columns using PMMA are shown. In the case of the analysis for polymer whose MW is 1,000,000 or less, GPC LF-604 or LF-404 is suitable. When it is needed to separate low MW polymer and high MW polymer and low MW polymer is the purpose for the analysis, GPC HFIP-603 is suitable.
Please refer to Comparison of Calibration Curves for Down-sized GPC Columns (HFIP Eluent: PMMA)

Sample : 50µL
1. PMMA, Poly(methyl methacrylate) (MW: 1,944,000)
2. PMMA, Poly(methyl methacrylate) (MW: 281,700)
3. PMMA, Poly(methyl methacrylate) (MW: 79,250)
4. PMMA, Poly(methyl methacrylate) (MW: 13,300)
5. PMMA, Poly(methyl methacrylate) (MW: 1,960)


Columns : Shodex GPC LF-604 (6.0mmID*150mm) x 2
Shodex GPC LF-404 (4.6mmID*250mm) x 2
Shodex GPC KF-405LHQ (4.6mmID*250mm) x 2
Shodex GPC KF-406LHQ (4.6mmID*250mm) x 2
Shodex GPC HFIP-603 (6.0mmID*150mm) x 2
Shodex GPC HFIP-606M (6.0mmID*150mm) x 2
Eluent : 5mM CF3COONa in HFIP
Flow rate : 0.3mL/min
Detector : Shodex RI(small cell volume)
Column temp. : 40°C