C18柱子除盐 Protocol for Sep-Pak C18 column (waters) For 50-100mg column:1.) Condition the column. All steps can be done quickly and the solution can be pushed through using a Pasteur Pipet bulb.First condition with 1ml MeOH Next 1ml 80% MeCN 20% 0.1% TFA 2ml 0.1% TFA 2.)...