For tsblets with a unit weight equal to or less than 650mg take a sample of whole tablets corresponding as near as possible to 6.5 g. For tablets with a unit weight of more than 650 mg. take a sample of 10 whole tablets. The tablets should be carefully dedusted prior to testing Accurately weigh the tablet sample, and place the tablets in the drum. Rotate the drum 100 times, and remove the tablets.Re-move any loose dust from the tablets as before, and accu-rately weigh.