Instrument Calibration Protocol of Melting Point Apparatus
Instrument Name | |
Instrument ID. No. | |
Reference SOP No. | |
Frequency | Quarterly -5 days |
Model No. | |
Make | |
Date of Calibration | |
Next Due Date |
Balance Id: __________________ Vacuum Oven Id: __________________________
Calibration of Melting point apparatus using the following Melting point analytical/ reference standards.
1) Phenyl Salicylate Melting point Reference standard (Lot No/ Validity: )
2) Vanillin Melting point Reference standard (Lot No/ Validity: )
3) Acetanilide Melting point Reference standard (Lot No/ Validity: )
4) Sulfanilamide Melting point Reference standard (Lot No/ Validity: )
5) Caffeine Melting point Reference standard (Lot No/ Validity: )
Sr. No. | Name of the Melting point Standard | Observed Melting Point (°C) – 1 | Observed Melting Point (°C) – 2 | Observed Melting Point (°C) – 3 | Acceptance Criteria |
1. | Phenyl Salicylate | 40.4°C– 44.3°C | |||
2. | Vanillin | 80.3°C – 84.2 °C | |||
3. | Acetanilide | 113.2°C – 116.8 °C | |||
4. | Sulfanilamide | 163.7°C – 167.2 °C | |||
5. | Caffeine | 235.2°C – 238.1 °C |
Remarks: Calibration Satisfactory / Not Satisfactory.
— | Calibrated By | Checked By | Approved By |
Signature | |||
Date | |||
Name | |||
Department | Quality Control | Quality Control | Quality Control |