Instrument Calibration Protocol for Refractometer (Refractive Index instrument)

Instrument :	Refractometer (Refractive Index instrument)
Instrument ID. Number :
Refer SOP No. :
Model No. :
Make : Mettler Toledo
Date of Calibration :
Next Due Date :

Details of Refractive Index Standards:

Water B. No./ Lot No.:______________ Use before / Valid Up to:____________

Dodecane B. No./ Lot No.:___________ Use before / Valid Up to:____________

2, 4-Dichlortoluene B. No./ Lot No.:__________ Use before / Valid Up to:___________

1-Bromonapthalene B. No./ Lot No.:__________ Use before / Valid Up to:____________

Sr. No.	Name of the Standard	Observed Value
1.	Water
2.	Dodecane
3.	2,4-Dichlorotoluene
4.	1-Bromonapthalene

Acceptance Value: ±0.0001 nD

Remarks: Calibration of Instrument Found Satisfactory /Unsatisfactory.

—	Calibrated By	Checked By	Approved By
Signature
Date
Name
Department	Quality Control	Quality Control	Quality Control