SOP for Cleaning of Coulter Counter

1.0 OBJECTIVE

To clearly lay down procedure for cleaning .

2.0 SCOPE

This procedure is applicable to coulter counter, installed in quality control department .

3.0 RESPONSIBILITY

3.1 Doing : Technical Assistant
3.2 Checking : Executive/Manager

4.0 ACCOIUNTABILITY

Head of the Department

5.0 PROCEDURE

5.1 After completion of the testing, switch ‘OFF’ the instrument.
5.2 Switch ‘OFF’ the mains.
5.3 Open the door and remove the sample holder.
5.4 Clean the sample holder with water and finally with 0.2µ filtered water and mop with tissue paper .
5.5 Clean the tube and waste jar with water and finally clean with cotton cloth .
5.6 Remove orifice and wash it with dilute nitric acid and then with water.
5.7 Clean the outer surface of instrument with cotton cloth.
5.8 For the cleaning of internal part fill the vacuum flask with 0.2µ filtered water for injection and pass it through vacuum filling line.
5.9 Record the cleaning in the instrument log card.

6.0 ABBREVIATION

6.1 SOP - Standard Operating Procedure

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