OBJECTIVE
To lay down the procedure for cleaning the KF Apparatus.
SCOPE
This SOP shall apply to the KF Apparatus installed in the Quality Control Laboratory.
RESPONSIBILITY
Execution: Chemist and above-QC department
PROCEDURE
Frequency: After each use
- After completion of the analysis, open the titration flask pour the KF reagent into the KF waste bottle, and wash the vessel with of methanol.
- Clean the electrode with the help of tissue paper.
- Clean the outer surface of the instrument with Isopropyl alcohol (when required) and dry it with tissue paper.
- As and when required, replace the ‘self-indicating’ coarse silica
- If the color of the silica gel changes from blue to pink, regenerate the silica gel by keeping it in the oven for some time till it gets blue color again.
- After cleaning the KF apparatus, record the cleaning details in the instrument log card as per the current version of the SOP.
ABBREVIATION
SOP: Standard Operating Procedure
Q.C: Quality control
KF: Karl Fischer
ANNEXURE
Nil
REVISION HISTORY
Nil
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