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Amides (4) (DE-413)

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In order to separate hydrophilic compounds, water or 100% buffer solution is used as the eluent, however, such eluent usually shorten the column life of ODS columns. Since the packing material of RSpak DE-413 is chemically stable and has long column life. The stable analysis results can be obtained using DE-413 even when 100% aqueous solution is used as the eluent.



Sample : 10μL
1. 200mg/mL Acetic acid
2. 20mg/mL Dimethylacetamide
Column       : Shodex RSpak DE-413 (4.6mmI.D. x 150mm)
Eluent       : 10mM Sodium phosphate buffer(pH5.0)
Flow rate    : 1.0mL/min
Detector     : UV(210nm)
Column temp. : 40°C