STP FOR THE METHOD FOR DETERMINATION OF pH MEASUREMENT

1.0 PURPOSE

The purpose of the document is to establish a general and uniform method for pH measurement.

2.0 SCOPE

This standard testing procedure is suitable for the determination of pH measurement.

3.0 RESPONSIBILITY

The expert and trained Chemist are responsible for following this procedure. The technical manager is responsible for implementing this procedure.

4.0REQUIREMENTS

3.1 Apparatus

3.1.1 pH Meter

3.2 Glassware

3.2.1 Beaker

3.2.2 Glass rod

3.3 Reagent

3.3.1 Buffer solution (4.01, 7.0, and 10.01)

5.0 PROCEDURE

5.1 Before use, rinse the electrode with distilled water.

5.2 Weigh the sample (as described in the method) into a beaker & dissolve it in water.

5.3 Calibrate the pH meter by using buffer solutions of 4.01, 7, and 10.01.

5.4 Transfer the electrode to the test solution.

5.5 Record the pH when the reading is stable.

5.6 Rinse the electrode according to the manufacturer’s instructions.

6.0 CALCULATION: NA

7.0 REVISION/CHANGE HISTORY: NA

8.0 ATTACHMENTS

· Appendix-1: FLOW CHART FOR pH MEASUREMENT

9.0 REFERENCES

· Appendix 3.3.10 of A.P.I Part II, Vol-1,2007

· Annex C-1, IS 6356:2001(RA 2012).

SHARE

Owner

Hi. I’m Writer of Researchsop.com. ’ ’ Please share these SOPs to all concern pharma people for their development. I like to fullfill the need of curious people. These things inspire me to make things looks better.

• 
• 
• 
• 
•