Weigh individually 20 whole tablets, and calculate the average weight. If the coated tablets do not conform to the criteria in the accompanying table, place 20 tablets in a beaker of water at 37
, and swirl gently for not more than 5 minutes. Examine the cores for evidence of disintegration and repeat the procedure for a shorter time if disintegration has begun. Dry the cores at 50
for 30 minutes. Accurately weigh 20 individual tablet cores, and calculate the average weight.