Features of VG-25 (2) (Baseline Stability with a Charged Aerosol Detector)

Since charged aerosol detectors (CAD) measure analytes as particles, components eluting from columns can significantly affect the baseline. A polymer-based amino column HILICpak VG-25 series releases a very few components from the column, resulting in a low noise level and a stable baseline comparable to that of VG-50.
Refer to "Features of VG-50 Series (2) (Stability of Baseline using Charged Aerosol Detector)".

Sample: 5 µL
40 µg/mL each

  1. 1.Fructose
  2. 2.Mannose
  3. 3.Glucose
  4. 4.Sucrose
Chromatogram of saccharides_using CAD

 

  1.  
Table of signal to noise_CAD
Column
Shodex HILICpak VG-25 4D, Slica-based amino columns from other manufacturers (4.6 mm I.D. x 150 mm each)
Eluent
H2O/CH3CN=20/80
Flow rate
0.6 mL/min
Detector
Charged aerosol
Column temp.
40 ℃

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