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Multiwavelength spectrophotometric determination of protolytic constants of 4-(2-pyridylazo) resorcinol (PAR) in binary DMF–water mixtures

✍ Scribed by A. Rouhollahi; F.M. Kiaie; J. Ghasemi


Book ID
116900985
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
174 KB
Volume
66
Category
Article
ISSN
0039-9140

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✍ J. Ghasemi; A. Niazi; M. Kubista; A. Elbergali 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 155 KB

The acidity constants of 4-(2-pyridylazo)resorcinol (PAR, Scheme 1) in binary mixtures of methanol-water at 25 • C and an ionic strength of 0.1 M have been determined spectrophotometrically. DATa ANalysis (DATAN) program applied for determination of acidity constants. As percent of methanol increase