Benzonatate → Benzonatate calcium silicate

Beteiligte Stoffe

Reaktionsschritte

Using the ingredients in the immediately preceding table, calcium silicate was mixed at slow speed in a high shear granulator (Impeller: 250 rpm and Chopper: 3200 rpm). Benzonatate was added to it at slow speed (Impeller: 250 rpm and Chopper: 3200 rpm) at a rate of approximately 7 g/minute. The benzonatate-calcium silicate adsorbate granules formed were passed through 425 micron screen. Assay showed benzonatate in an amount of 60.66 wt % based on the total weight of the adsorbate.

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