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
✦ LIBER ✦
Extraction and spectrophotometric determination of vanadium with 4-(2-thiazolylazo)resorcinol and tetraphenylarsonium and phosphonium chlorides
✍ Scribed by Lj. Marić; M. Široki; Z. Štefanac; M.J. Herak
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 421 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0026-265X
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