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SOP for Operating and Cleaning of Distilled Water Unit

Standard operating procedure to operate and clean the water distillation unit used for analysis in quality control.


       To lay down the procedure for Operating and cleaning of distilled water unit.

2.0  SCOPE:

       This SOP shall be applicable to Quality Control Dept.


       Quality Control Supervisor


       Sr. Manager Quality Assurance


5.1  Connect the water inlet pipe to the tap.
5.2  Switch on the main supply.
5.3  Keep an empty clean water container below the water outlet pipe to collect the distilled water.
5.4  Switch on the unit.
5.5  Collect about 500 ml of distilled water initially in the tank and discard it. Then collect required amount of distilled water by operating the unit.
5.6  Analyse the distilled water every week and report.

5.7  Cleaning of the unit:

5.7.1  Dismantle the unit with the help of maintenance person.
5.7.2  Clean thoroughly the storage container.
5.7.3  Put about 500 ml of dilute (5%) Hydrochloric Acid in the distillation unit.
5.7.4  Keep the Hydrochloric Acid in the unit for about 12 hours.
5.7.5  Wash away the acid with tap water very thoroughly.
5.7.6  Start the unit and collect the water to about 2 Lit. Discard the collected water.
5.7.7  Clean the unit every month.


6.1  SOP : Standard Operating Procedure
6.2  Dept. : Department

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