pH and Redox Measurements

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This booklet contains a set of experiments and activities through which students can explore pH and the use of a pH probe.

[b]Contents:[/b]
1. Initial preparation
2. Battery
3. Electrode
4. Buffer solution
5. Instrument layout
6. pH measurement
7. mV measurement
8. Choice of electrode
9. Electrode care
10. Electrode storage
11. The calomel reference electrode
12. Temperature correction
13. The pH scale
14. The carrying case

Experimental Notes
15. Neutralisation
16. Salt hydrolysis titrations
17. Potentiometric titration of Fe (II) with acidified Ce (IV)
18. Estimation of chloride in concentration
19. pH/titration curve for a linear polyphosphoric acid
20. Estimation of soil pH
21. The buffering characteristics of amino acids

Appendices
22. The hydrogen ion and pH scale
23. The principles of the glass electrode
24. The balancing of internal calibrating potentiometers
25. Spares and accessories

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