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Reaction of gallium and indium with 4-(2-Thiazolylazo) resorcinol

✍ Scribed by M. Langová-Hniličková; L. Sommer


Book ID
118990728
Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
710 KB
Volume
16
Category
Article
ISSN
0039-9140

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Extraction of 4-(2-pyridylazo) resorcino
✍ Lj. Marić; M. Široki 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 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