NEWS

You are here: Home > News

What is the role of the chromatographic guard column?

Time:2018/09/20   Pageviews:0    Share:
 This is an article about What is the role of the chromatographic guard column?. If you are interested, please contact us!

definition

 A guard column, in a high performance liquid chromatograph(2ml Agilent wide opening vials), is installed between the injector and the analytical column, through the mobile phase and the sample solution.

effect

Pre-capture can protect the column and extend the life of the analytical column by being firmly adsorbed by the analytical column and not being washed by the mobile phase.

other

1: filler

The packing of the guard column is generally the same as the analytical column.

2: length

The length of the guard column is generally only 1-2 cm.

3: Cleaning
The guard column should first be removed from the analytical column during cleaning to prevent the eluent from entering the analytical column; then select the appropriate mobile phase for flushing.

This is the end of the introduction of What is the role of the chromatographic guard column?. I hope it can help you.

DO YOU HAVE A QUESTION REGARDING OUR PRODUCTS?

CONTACT US
Send Inquiry Live Chat Back To Top