CALIBRATION OF UV/ VISIBLE SPECTROPHOTMETER

Ensure that the connection of the instrument are proper.

Control of absorbance

Potassium dichromate solution:

Dry a quantity of potassium dichromate by heating to constant weight at 130°C. Weigh & transfer accurately

CALIBRATION OF FT-IR SPECTROPHOTOMETER

Check that all the connections of the instrument are proper.

Ensure that printer is attached to the instrument.

Attach sample compartment.

Log in the software.

CALIBRATION OF DISINTEGRATION TEST APPARATUS

     A)     Number of cycles (With a constant frequency of 29 to 32) per minute:

1.       Record the frequency of moving up and down of the basket rack assembly, in a given time as shown below.

Start Time (Mins.)	End Time (Mins.)	Side A (Left hand side of the operator).		Side B (Right hand side of the operator).
		No. Of cycles (A)	No. Of cycles per min. (A/5)	No. Of cycles (B)	No. Of cycles per min. (B/5)
0	5
15	20
30	35
45	50
60	65

CALIBRATION OF BROOKFIELD VISCOMETER

Procedure:

Ensure that all the connection of the instrument is proper.

Turn the viscometer ON.

Take out the viscosity standard solution in 500ml beaker, adjust the temperature to 25° C. Attach the

ANALYTICAL BALANCE CALIBRATION

CALIBRATION OF TOP PAN BALANCE

Calibration procedure:

Internal Calibration

It shall be performed as per the manufacturer’s instructions.

Drift Check