Comparison of Purospher® STAR RP-18 endcapped with other columns
	Chromatogram A shows the first separation of a test mixture with 1% acetic acid as mobile phase. Chromatogram B shows the same separation after 3 hours of continuous operation. Like no other column in its class, Purospher® STAR RP-18 endcapped shows identical results in chromatograms A and B. In contrast to competitive columns, Purospher® STAR RP-18 endcapped can be used as an “AQUA” RP-phase.

Comparison of Purospher® STAR RP-18 endcapped with other columns

Chromatogram A shows the first separation of a test mixture with 1% acetic acid as mobile phase.

Chromatogram B shows the same separation after 3 hours of continuous operation.

Like no other column in its class, Purospher® STAR RP-18 endcapped shows identical results in chromatograms A and B.

In contrast to competitive columns, Purospher® STAR RP-18 endcapped can be used as an “AQUA” RP-phase.