Compound

Parts by weight (%)

Eudragit^® S100

10

Ammonia solution (1 M)

5

Triethyl citrate

6

Tween 80 (33% aqueous solution)

2

Water

77

Coating conditions

Agitation frequency (Hz)

15.2

Air temperature (˚C)

40

Airflow (m/s)

11

Atomizing air pressure (bar)

1

Height of spray head (mm)

150

Peristaltic pump speed (rpm)

4