Introduce This is a practical IAC column operating frame ------Multi-Position Pump Stand. 12 operating sites can be simultaneously treated 12 IAC columns one time, we have the some accessories, including 6 large sizes of 60ml, 6 small sizes of 10/15/20ml, satisfying the needs of different specifications of samples, greatly improving the efficiency of treatment, and can be well coordinated with the IAC column, no adapter needed. Simple operation process： 1、Remove the stopper from column, cut the bottom of the stopper 2mm, and put it back on the column； 2、Connect the column to the glass syringe on the pump operating, Add the extracted liquid into the glass syringe； 3、Remove the plug beneath the column, collect the waste liquid at the bottom, adjust the switch to allow the liquid to flow out at a rate of 1-2 drops per second； 4、When the liquid is dried, wash it with distilled water, 10ml at a time, 2 drops per second； 5、After liquid draining, add a certain amount of methanol and use the sample bottle to connect the eluent. The flow rate is 1 drops per second； 6、Eluent test by HPCL。 Optional 34010 10mL Glass Syringe G1120 15mL Glass Syringe G1121 20mL Glass Syringe