Standards for pH measurements and first ionization constants of o-phthalic acid. Methylcellosolve-water solvent mixtures from -10 to 45°C
Journal of Solution Chemistry, ISSN: 0095-9782, Vol: 24, Issue: 12, Page: 1265-1279
1995
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- 4Captures
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Article Description
From reversible emf measurements of the cell Pt/H/KHPh+KCl/AgCl/Ag/Pt, reference value pH-metric standards, pH, for 0.05 mol-kg potassium hydrogenphthalate (KHPh) reference buffer solutions in 20, 50, and 80 wt % methylcellosolve (2-methoxyethanol, CHO-CHCHOH)-water solvent mixtures from -10 to +45°C, have been determined in compliance with the criteria endorsed by IUPAC. The corresponding values of the first ionization constant of o-phthalic acid (HPh, benzene-1,2-dicarboxylic acid), which is a key quantity for the acquisition of pH standards, have been determined from emf measurements of the reversible cell Pt/H/HPh+KHPh+KCl/AgCl/Ag/Pt. © 1995 Plenum Publishing Corporation.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0013537595&origin=inward; http://dx.doi.org/10.1007/bf00972832; http://link.springer.com/10.1007/BF00972832; http://link.springer.com/content/pdf/10.1007/BF00972832; http://link.springer.com/content/pdf/10.1007/BF00972832.pdf; http://link.springer.com/article/10.1007/BF00972832/fulltext.html; http://www.springerlink.com/index/pdf/10.1007/BF00972832; http://www.springerlink.com/index/10.1007/BF00972832; https://dx.doi.org/10.1007/bf00972832; https://link.springer.com/article/10.1007/BF00972832
Springer Science and Business Media LLC
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