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Manganese(II) complexes formed with 4-(2-pyridylazo)resorcinol (PAR) and with 4-(2-thiazolylazo)resorcinol (TAR)

✍ Scribed by Richard G. Herman; L. Jack Norman


Publisher
Elsevier Science
Year
1978
Weight
232 KB
Volume
14
Category
Article
ISSN
0020-1650

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Extraction of 4-(2-pyridylazo) resorcino
✍ Lj. MariΔ‡; M. Ε iroki πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 792 KB

The extraction of 4-(2-pyridylazohesorcinol (PAR) and 4-(2-thiazolylazo)resorcinol (TAR) with chloroform alone and in the presence of tetraphenylarsonium or tetraphenylphosphonium chloride (Ph,XCl) was studied. In the optimum pH range 3.5-5 for PAR and 1.5-5 for TAR, 94-95% of the reagents was extra