high performance liquid chromatography principle No Further a Mystery
For this experiment, the cell stage is mainly 20% acetonitrile and 80% purified deionized (DI) water. A little number of acetic acid is added to lessen the pH of the mobile phase, which keeps the silanol during the stationary packing period in an undissociated condition.The 2013 horsemeat scandal, during which horsemeat passed off by vendors as bee