✦ LIBER ✦

Extractive spectrophotometric determination of niobium(V) with 3-hydroxy-2-(2-thienyl)-4H-chromen-4-one

✍ Scribed by Anoop Kumar Chhakkar; Lajpat Rai Kakkar

Book ID: 112292144
Publisher: Springer
Year: 1995
Tongue: English
Weight: 279 KB
Volume: 351
Category: Article
ISSN: 1618-2650
DOI: 10.1007/bf00323625

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Extractive Spectrophotometric Determinat

Extractive Spectrophotometric Determination of Tungsten(VI) Using 3-Hydroxy-2-(2'-Thienyl)-4-OXO-4H-1- Benzopyran

✍ Nivedita Agnihotri; Jaswant R. Mehta 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 119 KB 👁 1 views

3-Hydroxy-2-(2-thienyl)-4H-chromen-4-one

3-Hydroxy-2-(2-thienyl)-4H-chromen-4-one as a new reagent for the extraction and trace determination of molybdenum(VI)

✍ Rameshwar; J. R. Mehta 📂 Article 📅 1994 🏛 Springer 🌐 English ⚖ 289 KB

3-Hydroxy-2-(2"-Thienyl)-4H-Chromon-4-on

3-Hydroxy-2-(2"-Thienyl)-4H-Chromon-4-one as a Spectrophotometric Reagent for the Trace Determination of Zirconium in an Aqueous Phase

✍ V. Sharma; M. Nijhawan; A. K. Malik; A. L. J. Rao 📂 Article 📅 2001 🏛 SP MAIK Nauka/Interperiodica 🌐 English ⚖ 23 KB

Complexation equilibria between niobium(

Complexation equilibria between niobium(V) and 4-(4′H-1′,2′,4′-triazolyl-3′-azo)-2-methylresorcinol: Extraction—spectrophotometric determination of niobium in pyrochlore-bearing rocks

✍ Ma.J. Sánchez; A. Francisco; F. Jiménez; F.García Montelongo 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 506 KB

Chemoenzymatic synthesis of both enantio

Chemoenzymatic synthesis of both enantiomers of 3-hydroxy-2,3-dihydro-4H-chromen-4-one

✍ Ayhan S. Demir; Asuman Aybey; Özge Sesenoglu; Fatos Polat 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 135 KB

4-Oxo-3,4-dihydro-2-chromen-3-yl acetate is synthesized using manganese(III)acetate starting from 2,3-dihydro-4Hchromen-4-one. K 2 CO 3 mediated hydrolysis of 4-oxo-3,4-dihdro-2-chromen-3-yl acetate furnished 3-hydroxy-2,3-dihydro-4Hchromen-4-one in high yield.The enantioselective hydrolysis of (±)-

Synthesis of 3-Hydroxy-2-hydroxy(phenyl)

Synthesis of 3-Hydroxy-2-hydroxy(phenyl)methyl-3-methyl-2,3-dihydro-4H-furo[3,2-c]chromen-4-one from 4-Hydroxycoumarin

✍ I. A. Os’kina; Yu. V. Gatilov; A. Ya. Tikhonov 📂 Article 📅 2011 🏛 SP MAIK Nauka/Interperiodica 🌐 English ⚖ 204 KB