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Extraction-spectrophotometric determination of niobium with N-phenylbenzohydroxamic acid and 4-(2-pyridylazo)resorcinol in non-aqueous media

✍ Scribed by Aznarez, Jos�; Galban, J.; Palacios, Francisco; Vidal, Juan Carlos

Book ID
121277786
Publisher
Royal Society of Chemistry
Year
1985
Tongue
English
Weight
355 KB
Volume
110
Category
Article
ISSN
0003-2654

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✍ P. Pakalns; A.B. Ivanfy 📂 Article 📅 1968 🏛 Elsevier Science 🌐 English ⚖ 508 KB

iicigtrls. N.S. IV. (R rtstraliu) (Rcccivcd October xqth, xgG7) ELWELL AND WOODI described the determination of 27% niobium in zirconium alloys, based on the formation of a yellow-coloured complex when niobium ions react with pyrogallol in an alkaline solution of ammonium oxalate; zirconium metal i