Content Handbook F

MT 169 TAP DENSITY OF WATER DISPERSIBLE GRANULES

OUTLINE OF METHOD

1 Standard-method (See CIPAC MT 58.4 and MT 33)

The granules are put into a glass measuring cylinder of known weight which is then raised and allowed to fall vertically through a distance of 2.5 cm on to a rubber pad; the operation is repeated 50 times and the final volume of powder is measured.

2 Method with dry substance jolting volumeter

The tap density is determined with a Dry Substance Jolting Volumeter according to DIN 53194

SCOPE: