Mettler Toledo Excellence XP Bedienungsanleitung Seite 9

Density determination kit for Excellence XP/XS precision balances
9
Remove the solid from the pan, close the draft shield doors and tare
the balance. Place the solid after in the holder (9). Ensure that no
air bubbles adhere to the solid (remove any air bubbles with a fine
brush).
Note
With solids with a density less than 1 g/cm the holder for floating
3
solids (10) must be used as it holds the solid body below the
surface of the auxiliary liquid. If the buoyancy of the solid is greater
than the weight of the holder, the holder must be weighted by
placing an additional weight on the top weighing pan of the bracket.
After loading the additional weight, tare the balance and restart
the density determination procedure by first weighing the solid
in air (A) and then in the auxiliary liquid (B).
Wait until the balance has reached stability and note the displayed
weight B (weight of sample in the auxiliary liquid).
Now determine the density ρ ρ ρ ρ ρ of the solid according to the preceding
formula (Section 4.1).