CALIBRATION OF VOLUMETRIC GLASS WARES

1.0. PURPOSE:
To provide a procedure for calibration of volumetric glass wares.
2.0. SCOPE:
Applicable to all volumetric glass wares.
[Volumetric Flasks (VF),Burettes, Pipettes, Measuring cylinders]
3.0 RESPONSIBILITY:
Quality Control Chemist
4.0. ACCOUNTABILITY:
Manager-Quality Control
5.0. DEFINITION:
Nil
6.0. PROCEDURE:
6.1. Burettes, Pipettes and Volumetric flasks must be calibrated for its accuracy in measurement upon receipt.
6.2. Calibration should be carried out at 27°c.
6.3. Fill the Burette/Pipette/VF to its standard mark with distilled water.
6.4. Drain the water into a clean and previously weighed bottle & weigh the bottle.
6.5. Calculate the volume of water drained by the following formula.
Volume of water drained = Wt.of water in g
0.99602(Density of water)
6.6. The glass wares under test is accepted if complies with limits specified in tables.
7.0. REFERENCES:
INDIAN PHARMACOPOEIA
8.0. ENCLOSURES:
Table for Acceptance criteria for Volumetric glassware.
9.0. ABBREVIATIONS:
Nil