sop for operation of infrared moisture balance


sop for operation of infrared moisture balance



1.1 To describe a procedure for operating, & calibration of IR Moisture Balance.
2.1 This procedure is applicable for operating, & calibration of IR Moisture Balance to the Quality control department
3.1 Officer/Executive – QC

4.1 Head – QC

5.1 Operation Procedure

5.1.1 Connect the power board.

5.1.2 Make sure that the solid-state control device is in “OFF”.

5.1.3 Turn the Mains switch ‘ON”.

5.1.4 By turning the scale-adjusting knob adjust the scale until the100% mark coincides with the reference line.

5.1.5 Use the pointer-positioning knob and coincide the pointer with the reference line.

5.1.6 By now the reference line, pointer and the 100% mark on the scale should coincide.

5.1.7 Rotate the scale until the 0% mark coincides with the reference line. The pointer is now above the reference line.

5.1.8 Carefully distribute the test material equally on the disposable ample pan until the pointers coincides with the reference line.

The quantity of the sample to be tested approximately be the same as the capacity of the instrument.

5.1.9 Close the lamp frame and turn “ON” the infrared lamp.

5.1.10 Set the desired temperature settings for conducting the experiment.

5.1.11 The sample beings to lose moisture and the pointer rises above the index, simultaneously rotate the scale slowly so that the pointer is visible on the scale viewer.
5.1.12 When the pointer slows rising, give it a few minutes and the pointer will come to a stop. Now rotate the scale to coincide the pointer and the latex and simply record the final moisture contents percentage of the sample.
5.2 Cleaning

5.2.1 Dust must be cleaned by dry mopping with lint free cloth.

5.2.2 Clean the sample pan properly after every test.

5.3 Calibration
5.3.1 Frequency-Yearly or any break down (Out Side).


6.1 Indian Pharmacopoeia

7.1  Log Book for IR Moisture Balance

8.1 QC : Quality Control
8.2 QA : Quality Assurance
8.3 QCA : Quality Control Analytical
8.4 SOP : Standard Operating Procedure


Revision Reason for Revision Effective Date



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