A new definition of the kilogram was necessary, in order to ensure the measurement unit is independent from a physical object. more
Daily Visual Balance Check
Cleaning and Leveling
The pharmaceutical industry and other businesses that manufacture fine chemicals and substances typically have very strictly regulated areas, for example in analytical procedures. As stated in the SOP, users are obligated to subject their balance to a daily visual balance check. This consists of a test on cleanliness and leveling. This procedure should be carried out on a daily basis and should conform to GxP.