Etude analytique de la separation hafnium-scandium sur resine anionique

Nonferrous Metallurgy - II. Zirconium, Hafnium, Vanadium, Niobium, Tantalum, Chromium, Molybdenum, and Tungsten

“…(533); comparison of reagents (43) Phthalexon S: study of conditions (532); comparison of reagents (774) Arsenazo III: nuclear fuels (97); steels (490); leather (756); rare earths U and Th (437); study of conditions (745) Picramine: ores (733) Xylenol Orange: study of conditions (r37); alloys (703); steels (627); extraction (72,528) A/-Methylanabasene-d-azo-3,4-dimethylphenol; study of conditions (544) Zirconin: Zr alloys (608); sands and E.lloys (548) Indoferron: study of conditions ( 574) Gallein: study of conditions ( 433) 8-Quinolinol: study of coriditions ( 735) Azo dyes: study of conditions ( 487) Stilbazo: study of conditions (486) Eriochome Cyanine R: steels (474) p-Dimethyaminophenylfluorene: study of conditions (678) Quercetinsulfonic acid: study of cond lions (547) Bromopyrogallol Red: mise. (397) Zirconyl and hafnyl chlorides: Zr-Hf mixtures (237) Vanadium Phosphovanadotungstate: carbon-contsining material (423); rocks and soils (638) 8-Hydroxyquinoline: soils (386) ferf-Butylpyrocatechol: study of cond tions Nitroso-R: comparison of reagents (775) Pyrocatechol, pyridine Af-oxide: steels (6/7) Anilinium + catechol: rocks (37) Dihydroxyazo compounds: comparison of reagents (580) Sulfonazo: anodic powders (226) Thymol compounds: comparison of reagents (428) Element Reagent: Material (References)…”

“…Three gravimetric reagents for Mo were studied (113, 299, 426) and an 8-hydroxyquinoline method is recommended as a replacement for the Pb molybdate method commonly used for determining Mo in ferromolybdenum (426). General method (274) Chromium Hafnium Al-Cr alloys (52) Zr alloy (173,174,644) Air pollutants (404) Soils (441) Rocks and ores (441,549,559,741,776) Sc (37) Mise, material (36) Zr (279,434,523,721) Meteorites (765,560) Ti ( 72)…”