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 in and press . Doing so will change the location (or directory) in Command Prompt to your desktop. There are other ways you can change the Command Prompt directory if need be. Opening Command Prompt in Administrator mode will change the directory to the System32 file. For this reason, do not open Command Prompt in Administrator unless your file is in the System32 folder.