PROCEDURE
Calibrate the apparatus using following solvents:
Name of the Liquid
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Refractive Index
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Temperature
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Distilled Water
|
1.3325
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20°C ± 0.5°C
|
Toluene
|
1.4969
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20°C ± 0.5°C
|
Carbon Tetrachloride
|
1.4603
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20°C ± 0.5°C
|
Frequency: Once in a month.
Maintenance/ Repairs: When the instrument does not comply with the requirement/ tolerance range specified above, the instrument should be labeled “OUT OF CALIBRATION” and should be repaired/ serviced.
Reference: Operator’s instructions manual.
| QUALITY ASSURANCE DEPARTMENT CALIBRATION REPORT OF REFRACTOMETER |
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Reference :
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Date -
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Frequency -
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Instrument No. -
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Make –
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Model –
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Conclusion :
Calibration complies/ does not comply as per the acceptance criteria.
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Next calibration due on :
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Done By :
Date :
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Checked By :
Date :
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