Certain features of will be down for maintenance Saturday afternoon/evening, February 24th starting at 3:00 pm CT until 9:00 pm CT.

Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

Non-Polar to Polar Strategy

Analytes are separated on a non-polar column in the first dimension, and on an intermediate polar, polar, highly polar, or extremely polar column in the second dimension. This traditional strategy is commonly used.