Calibration of Dissolution Apparatus- Chemical (PVT)
Dissolution Conditions:
| Apparatus | USP Type-1 (Basket) & USP Type-2 (Paddle) |
| Dissolution Medium | 500ml water |
| Medium Temperature | 37°C ± 2°C |
| Time | 30 Minutes |
| RPM | 50 RPM |
| Wavelength | 242nm |
Reference Standard Details:
| Sr. No. | Name of Reference Standard | Batch No./Lot No. | Reference No. | Validity |
| 1. | Prednisone standard | |||
| 2. | Prednisone tablets 10 mg |
Standard Preparation:
Weigh accurately about ________mg of Prednisone RS in ______ ml volumetric flask, add about _____
ml of absolute ethanol, sonicate to dissolve and dilute up to the mark with water. Pipette out _______ ml of above diluted solution in ______ ml volumetric flask and dilute up to mark with water. Take absorbance at 242nm
Observations:
| USP Type-1 (Basket) |
|
USP Type-2 (Paddle) | ||||
| Sr. No. | Absorbance of sample | % Drug Dissolved | Sr. No | Absorbance of sample | % Drug Dissolved | |
| 1. | 1. | |||||
| 2. | 2. | |||||
| 3. | 3. | |||||
| 4. | 4. | |||||
| 5. | 5. | |||||
| 6. | 6. | |||||
| 7. | 7. | |||||
| 8. | 8. | |||||
| 9. | 9. | |||||
| 10. | 10. | |||||
| 11. | 11. | |||||
| 12 | 12 | |||||
| GM | GM | |||||
| %CV | %CV | |||||
Acceptance criteria : The geometric mean (GM) and percent coefficient of variation (%CV) should be within the limit as per current certificate lot .
1) For Paddle
- a) GM=____________ b) % CV=___________
2) For Basket
- a) GM=____________ b) % CV=___________
% Dissolution = Spl Abs x Std Wt.x _5_ x 500 x Purity of Std x 100
Std Abs 50 50 1 100 10
Remark: The results Complies/Does not complies as per acceptance criteria.
Performed By: ________________ Checked By: _____________
Date: __________ Date: ___________________