SOP for Calibration of Infrared Spectrophotometer
1.0 OBJECTIVE
To calibrate the equipment for reliable and accurate results.
2.0 SCOPE
This procedure is applicable to the infrared spectrophotometer, installed in the quality control department.
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3.0 RESPONSIBILITY
3.1 Doing: Technical Assistant
3.2 Checking: Executive /Manager
4.0 ACCOUNTABILITY
Head of the Department
5.0 PROCEDURE
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Frequency of calibration: Once in a month
5.1 Operate the instrument as per SOP.
5.2 Put the reference polystyrene film (0.05 mm thick) in the sample holder and scan.
5.3 Compare the obtained spectrum with the reference spectrum for the following wave numbers as well as transmittance at shown wave number. Record the results as per annexure I.
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6.0 ABBREVIATIONS
6.1 % = Percentage
6.2 I.R = Infra red
6.3 S.O.P. = Standard operating procedure
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