Fig. 1

Flow diagram outlining multi-column analysis. Method A is separated by column A, and method B is separated by column B. One column is used as the analytical column, while the other column is washed and prepared for the next injection
Flow diagram outlining multi-column analysis. Method A is separated by column A, and method B is separated by column B. One column is used as the analytical column, while the other column is washed and prepared for the next injection