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.
Windows doesn't always allow you to safely remove a flash drive or external hard drive. Klaatu asked the Answer Line forum for advice. If you simply pull an external drive out of a running computer, you're asking for trouble. You might lose files, crash applications, or even ruin everything on the computer.