https://www.waters.com/nextgen/at/de/library/application-notes/2012/transfer-uplc-screening-method-preparative-hplc-purification-using-csh-column-technology-focused-gradients.html
In this application note, we demonstrate a rapid UPLC screening protocol using high and low pH on a charged-surface hybrid (CSH) column and subsequent scale-up...
preparative hplctransferuplcscreeningmethod