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Feature of High Temperature Analysis (3) (Fast Analysis)

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ET-RP1 4D is polymer base column for high temperature analysis. Figure shows comparison chromatograms between 40°C and 80°C. Mobile phase viscosity decreased at high temperature analysis, higher flow rate can be applied. And suitable flow rate range is shifted to higher at high temperature. ET-RP1 4D is good column for fast analysis with high temperature analysis.

Please refer to
Feature of High Temperature Analysis (1) (High Resolution)
Feature of High Temperature Analysis (2) (Suitable Flow Rate)


Sample : 5μL, 10mg/L each
1. Caffeine
2. Pyridine
3. Phenol
4. Propyl paraben
5. Acetophenone
6. Benzene
7. Toluene

(notes)
* Eluent was introduced to column after preheating and introduced to detector after cooling.
* Preheat eluent when high flow rate (more than 1mL/min) is applied.

Column      : Shodex ET-RP1 4D (4.6mmI.D. x 150mm)
Eluent      : CH3CN/H2O=40/60      
Detector    : UV(210nm) 
*Column oven : Polaratherm 9000 Series (SandraSelerity Technologies, Inc)

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