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Comparison of Several Calibration Procedures for Glass Electrodes in Proton Concentration

✍ Scribed by Isabel Brandariz; José L. Barriada; Teresa Vilariño; Manuel E. Sastre de Vicente

Book ID
106213466
Publisher
Springer Vienna
Year
2004
Tongue
English
Weight
202 KB
Volume
135
Category
Article
ISSN
0026-9247

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o-Phthalic acid is proposed as a standard substance for buffer solutions of known hydrogen ion concentration (I < 0.2 M KCl, p[H+] = 3.0-5.4, 25°C). Its crystallinity, purity and slightly wider buffer range afford advantages over acetic acid. Empirical relationships between measured pH (pH,) and cal