LABORATORY FORTIFIED BLANK (LFB) - An aliquot of reagent water or other blank matrix to which known quantities of the method analytes and all the preservation compounds are added.
add a comment |. up vote 2 down vote. 1  Go to the command line and get into the directory you want to move it to with cd folderNamehere. 2  Type pwd. 3  This will print the directory you want to move it too.4  Then change to the directory where all of the files are with cd folderNamehere.dd a comment |. up vote 2 down vote. 1  Go to the command line and get into the directory you want to move it to with cd folderNamehere. 2  Type pwd. 3  This will print the directory you want to move it too.
Type âcd\â and press âEnterâ to change directories to the root folder. Type the drive letter for the USB drive, then press âEnter.â The current directory changes to the root of the flash drive. Note that you can view all hidden files on the drive by executing the âdir/ahâ command from the prompt.tep 6. Step 7. Plug the flash drive into a free USB port on your computer. Once the device is registered to Windows as a removable drive, open Windows File Explorer and note the drive letter for the USB drive. Open a command prompt window by typing âcmdâ in the Charms bar's Search field.