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Standard substances for the calibration of viscometers

โœ Scribed by Eugene C. Bingham; Richard F. Jackson

Publisher
Elsevier Science
Year
1917
Tongue
English
Weight
99 KB
Volume
183
Category
Article
ISSN
0016-0032

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o-phthalic acid as a standard substance
o-phthalic acid as a standard substance for calibrations of hydrogen ion concentrations with a glass electrode
โœ J.A. Kennedy; H.K.J. Powell; M.C. Taylor ๐Ÿ“‚ Article ๐Ÿ“… 1983 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 516 KB

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, 25ยฐC). Its crystallinity, purity and slightly wider buffer range afford advantages over acetic acid. Empirical relationships between measured pH (pH,) and cal