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.
Tips for Data Backup. 1  There are many ways to backup data on your computer - the least effective of which (for obvious reasons) is having the only backup location on your actual hard drive. Instead, use external hardware such as a disk, CD, zip drive, or memory stick.  Online backup is another option.