Table 10. The amount (µg) of aspirin powder stuck to the punch with different type of punch
Punch geometries
Compactions
50
100
150
200
250
300
Deep concave
168±20
209±16
243±12
288±15
316±35
340±20
Standard concave
172±18
229±52
253±38
302±21
363±26
414±14
Flat face
238±23
281±26
308±28
341±30
390±19
449±30