APPARATUS REQUIRED :
1. Glass cylinder graduated 50 ml.
2. Thin piece of rubber sheet.
Place rubber sheet on working table. Weigh exactly the
clean dry glass cylinder. Add into the cylinder the sample powder in small lots and after
adding tap the bottom of cylinder on rubber sheet and futher powder. This way keep adding
powder and tapping the cylinder till the powder level comes to 50 ml. marking. This way we
get a stiff well knit packing of powder inside the cylinder. Now weigh the cylinder again
B = WT. OF CYLINDER AND SAMPLE.
A = WT. OF EMPTY CYLINDER.