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Viva Competitive Comparison
Viva
™
wide pore C18 columns provide the best overall performance
among five tested columns
(reversed phase test mix; 150 x 2.1mm C18 phase columns,
5
μ
m particles).
Column: Viva
™
C18, 150 x 2.1mm, 5
μ
m (cat.#
9514562)
Mobile Phase:
water:methanol,25:75
Flow Rate:
0.2mL/min.
Detector:
UV @ 254nm
Sample:
10
μ
L Reversed Phase Test
Mix (cat.# 35005)
Efficiency
Asymmetry
Retention Time
Pressure
(plates/meter)
(biphenyl)
(biphenyl)
(bar)
Viva
™
300 C18 52,146
1.16
6.30
60
Waters C18 57,326
1.30
5.89
66
Phenomenex C18
49,720
1.46
5.77
72
Higgins C18 51,813
1.46
4.96
102
Zorbax C18
41,666
1.49
3.79
80
Widest spread, most
symmetrical peaks
32