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4-(2-pyridylazo)resorcinol

National Institutes of Health

Papers overview

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2015
2015
4-(2-Pyridylazo)resorcinol (PAR) is one of the most popular chromogenic chelator used in the determination of the concentrations… Expand
2008
2008
The equilibria and kinetics of the complex formation and dissociation reaction between gallium(III) and PAR [4-(2-pyridylazo… Expand
2007
2007
The preparation and characterization of Mn II , Fe II , Co II , Ni II , Cu II , Zn II and Cd II chelates of 4-(2-pyridylazo… Expand
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2007
2007
The complexation reactions between 4-(2-pyridylazo)resorcinol (PAR) and Al3+, Fe3+, Zn2+, and Cd2+ ions at 25 °C and 0.1 M ionic… Expand
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Highly Cited
2002
Highly Cited
2002
The acidity constants of 4-(2-pyridylazo)resorcinol (PAR, Scheme 1) in binary mixtures of methanol–water at 25 ◦ C and an ionic… Expand
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Highly Cited
1989
Highly Cited
1989
The chromophoric divalent metal ion chelators 4-(2-pyridylazo)resorcinol (PAR) and 2,2',2"-terpyridine (terpy) are used as… Expand
Highly Cited
1985
Highly Cited
1985
The metallochromic indicator 4-(2-pyridylazo)resorcinol (PAR) has been used at pH 7.0 to monitor the mercurial-promoted Zn2… Expand
1984
1984
The ion-pair extraction equilibria of the iron(II) and iron(III) chelates of 4-(2-pyridylazo)resorcinol (PAR, H(2)L) are… Expand
Highly Cited
1975
Highly Cited
1975
A series of dyestuffs having the same basic structure as 2-(2-pyridylazo)-5-diethyl-aminophenol (PADAP) but varying in their… Expand
1967
1967
The uranyl ion and 4-(2-pyridylazo)resorcinol (PAR) form only 1:1 chelates in solutions of pH < 8.5, UO(2),(PAR)H(+) being formed… Expand