Determination of pKa of ammonium and phenolic groups: Evidence of intramolecular hydrogen bonding in aqueous solution

The ionization constants of 2-hydroxyanilinium, 2-methoxyanilinium, 4-nitroanilinium ions, N-(2′-hydroxyphenyl)-phthalamic acid and N-(2′-methoxyphenyl) phthalamic acid, determined spectrophotometrically, have been rationalized in terms of internal hydrogen bonding and steric hindrance between o-sub...

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Bibliographic Details
Main Authors: Ariffin, Azhar, Khan, Mohammad Niyaz, Sim, Y.L., Ahmad, W.H.W.
Format: Article
Published: 2008
Subjects:
Online Access:http://eprints.um.edu.my/8065/
http://www.scopus.com/inward/record.url?eid=2-s2.0-42249106609&partnerID=40&md5=69a41b4e053dbf274c0d355ae8e8d042
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