HPLC separations involve both the mobile phase (a liquid) and the stationary phase. (usually materials of varying hydrophobicity chemically bonded to a solid support). In. contrast, GC uses the mobile phase only to carry the analyte through the column.
Pulling Data off old HDD. You can get an IDE-to-USB interface, then connect it to your desktop via USB cable. It doesn't matter whether there's an operating system on the hard drive, it will be formatted as an NTFS file system, you just navigate to the files you want and copy them to your desktop's hard drive.
1 If you have already written any data to the drive, back it up before proceeding to the next step. 2  Launch Disk Utility. 3  Click the icon for your external hard drive in the sidebar on the left. 4  Click the Erase tab along the top of the window. 5  From the Volume Format menu, choose Mac OS Extended (Journaled).