小中大Rabeprazole Sodium
Tablet (Delayed Release)
II (Paddle) 100
700 mL 0.1 N HCl (acid stage),
after two hours add 300 mL of 0.6 M Tris-HCl buffer, pH 8.0 (buffer stage).
Stabilize the samples with the addition of 0.5 N NaOH
Acid: 700 Buffer: 1000
10, 20, 30 and 45
初步怀疑是降解了。。。