SOP For Calibration of Refractometer

SOP For calibration of refractometer is described in this post which you can follow in the section of the General Industry SOP.


To calibrate the equipment for confirmation of reliable and accurate results.


This procedure is applicable to calibrate the refractometer, installed in the quality control department.


QC Analyst


Manager Quality Control


  • Operate the instrument.
  • Maintain the required temperature of the particular liquid.
  • Observe and record refractive index of the different liquid at temperature.
  • The performance of the instrument is satisfactory if the observed refractive index is within the limits. 

Frequency: Once in three months.

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