theory_ph
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theory_ph [11/04/2018 11:41] pieter [pH Theory] |
theory_ph [11/04/2018 11:44] pieter [pH Theory] |
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| ====Measurement==== | ====Measurement==== | ||
| + | <WRAP center round box 60%> | ||
| {{: | {{: | ||
| - | Solution-1: sample to be measured\\ | + | **Solution-1** sample to be measured\\ |
| - | Solution-2 | + | **Solution-2** known buffer solution (7 pH)\\ |
| - | Reference-1: silver wire in a salt-bridge (KCI)\\ | + | \\ |
| - | Reference-2: silver wire in a salt-bridge (KCI)\\ | + | **Reference-1** silver wire in a salt-bridge (KCI)\\ |
| + | **Reference-2** silver wire in a salt-bridge (KCI)\\ | ||
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| + | </ | ||
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| The heart of a pH measurement system is a membrane made from special pH-selective glass on which a very thin layer of hydrogen ions is formed when dipped in water. At high pH values, this layer will have a low hydrogen concentration. However, at low pH values a large number of H< | The heart of a pH measurement system is a membrane made from special pH-selective glass on which a very thin layer of hydrogen ions is formed when dipped in water. At high pH values, this layer will have a low hydrogen concentration. However, at low pH values a large number of H< | ||
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theory_ph.txt · Last modified: 11/04/2018 11:44 by pieter
