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SOP for Cleaning Procedure for Fourier Transform Infrared Spectrophotometer


OBJECTIVE:
To lay down the procedure for cleaning of Fourier Transform Infra Red Spectrophotometer. 

SCOPE:
This SOP shall be applicable for Fourier Transform Infra Red Spectrophotometer installed in Quality Control Laboratory. 

RESPONSIBILITY:
Execution : Chemist and above-QC department 


PROCEDURE:
  • Frequency: Daily or after each use 
  • Open the front part of the instrument. 
  • Wipe out any material in the sample holder assembly by means of tissue paper. 
  • Clean all the sampling accessories with tissue paper after analysis and keep them in proper place. 
  • Clean the outer surface of the instrument with tissue paper. 
  • Place the ‘self indicating’ coarse silica gel in the sample holding assembly 
  • If the colour of the silica gel changes from blue to pink, regenerate the silica gel by keeping it in oven for some time till it gets blue color again. 
  • After completion of cleaning of the FTIR, record the cleaning details in instrument log card as per current version of SOP. 
  • Precautions: 
         1) Never switch off the instrument. 
         2) Never place water near the instrument. 

ABBREVIATION:
SOP - Standard Operating Procedure 
Q.C - Quality control 
FTIR - Fourier Transform Infra Red Spectrophotometer

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