2.4. Preparation of tablets
Powder mixtures, with FBP and THP content between 95 and
105%, were compacted using a manual hydraulic press equipped
with 13.00 mm die set (Specac Ltd, UK). The tablet weight was
maintained at 300 2 mg each and was compressed at 20 kN with
a 30 s dwell time. All matrix tablets were stored in an airtight
container over silica gel for 24 h before further investigation.