SOP for Cleaning of Refractometer

1.0 OBJECTIVE

To clearly lay down the procedure for cleaning.

2.0 SCOPE

This procedure is applicable to refractometer installed in quality control laboratory.

3.0 RESPONSIBILITY

3.1 Doing: Technical Assistant /Executive
3.2 Checking: Executive/Manager

4.0 ACCOUNTABILITY

Head of the Department

5.0 PROCEDURE

5.1 Clean the instrument after each use.
5.2 Clean the prism with xylene and then wipe with tissue paper.
5.3 Clean the mirror and eyepiece with Isopropyl alcohol and then wipe with tissue paper.
5.4 Clean the instrument with a cotton cloth.
5.5 Record in the instrument log card.

6.0 ABBREVIATION

6.1 SOP - Standard Operating Procedure

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