SOP for Standard, General Reagents and Indicator Solutions

1.0 OBJECTIVE

To lay down the procedure for preparation of standard, general and indicator solution.

2.0 SCOPE

This SOP is applicable for the preparation of standard, general and indicator solution.

3.0 RESPONSIBILITY

Officer/ Executive - Quality Control

4.0 ACCOUNTABILITY

Manager – Quality Control

5.0 PROCEDURE

5.1 For the preparation of solution use purified water.
5.2 For the preparation of solutions use analytical grade reagents & chemicals. Prepare the solution as per written procedure.
5.3 Record all the preparation details in the preparation records. Take signature of authorized person in the records.
5.4 Before signing the record authorized person should check all the calculations are correct and ensure that solutions are prepared as per standard procedure.
5.5 Store all the solutions in cleaned dry glass bottles. Store light-sensitive solutions in amber color glass bottles.
5.6 All the solution must not be preserved for more than three months. If during usage any change in physical properties of solution observed then discard the same.
5.7 Label all the general solution, indicator solutions and buffer solution properly with complete details like name, date of preparation, prepared by and use before as per SOP.
5.8 If a commercially available solution is procured then affix a label on the bottle with details like date of opening, use before and expiry date etc.
Related: Determination of Shelf Life of Solutions in Laboratory

6.0 ABBREVIATIONS

6.1 SOP - Standard Operating Procedure
6.2 AR - Analytical Reagent

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