Some HPLC systems use as many as 4 different phases. Two safety cap kits are available for use with gradient HPLC systems (up to quaternary): one that contains 4 caps with 3 ports each, one that includes two 2-port and one 3-port VICI cap.
Some HPLC systems use as many as 4 different phases. Two safety cap kits are available for use with gradient HPLC systems (up to quaternary): one that contains 4 caps with 3 ports each, one that includes two 2-port and one 3-port VICI cap.