Potentiometric titrations using pencil and graphite sensors
Journal Article
·
· J. Chem. Educ.; (United States)
The cost of various commercial indicating electrodes ranges from about $40 for pH electrodes to as much as $355 for a potassium ion-selective electrode. This cost can be reduced to less than $1.50, and in some cases to mere pennies by making sensors from graphite rods and pencils for use in potentiometric titrations. The same sensor can be used for many types of these titrations (acid/base, compleximetric, precipitation, and redox). 8 references, 2 tables.
- Research Organization:
- Lawrence Livermore National Lab., CA
- OSTI ID:
- 5753205
- Journal Information:
- J. Chem. Educ.; (United States), Journal Name: J. Chem. Educ.; (United States) Vol. 61:1; ISSN JCEDA
- Country of Publication:
- United States
- Language:
- English
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