✦ LIBER ✦

Direct spectrophotometric determination of rare earths in organic extracts with chlorophosphonazo III

✍ Scribed by Jan Vilímec; Karel Jakubec

Publisher: Elsevier Science
Year: 1987
Tongue: English
Weight: 192 KB
Volume: 35
Category: Article
ISSN: 0026-265X
DOI: 10.1016/0026-265x(87)90118-4

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Spectrophotometric determination of lant

Spectrophotometric determination of lanthanides in the presence of thorium with chlorophosphonazo III

✍ Tomitsugu Taketatsu; Atsuko Sato; Hirondo Kurihara; Satoko Maeda 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 278 KB

Extraction and spectrophotometric determ

Extraction and spectrophotometric determination of Nd(III), Th(IV) and U(VI) in synthetic brine using Chlorophosphonazo III

✍ Jian-Feng Chen; Fawwaz I. Khalili; Abdul K. Mohammed; Gregory R. Choppin 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 439 KB

## AbStlYlCt A simple method has been developed to determine micromolar concentrations of Nd(III), Th(IV) and UWI) in brine. The method involves the extractive separation of these cations from brine matrix species by using ChIorophosphonaxo III as extractant with 1-butanol as solvent, and the spec

Spectrophotometric determination of tota

Spectrophotometric determination of total rare earths in minerals with the chromogenic reagent p-acetylchlorophosphonazo

✍ Jiao-Mai Pai; Ru Yang; Chung-Gin Hsu 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 371 KB

The syntheses and punficatlon of p-acetylchlorophosphonazo (CPApA) are descrrbed A method IS proposed for the spectrophotometrx determmatlon of total rare earths with CPApA m 0 2 M hydrochlonc acid medmm at theu lsosbestic point (667 nm) At this wavelength, the absorbances of equal amounts of rare e

Rapid extraction of iron(III) with 2-the

Rapid extraction of iron(III) with 2-thenoyl trifluoroacetone : Direct colorimetric determination in the organic phase

✍ Shripad M. Khopkar; Anil K. De 📂 Article 📅 1960 🏛 Elsevier Science 🌐 English ⚖ 442 KB

Spectrophotometric determination of zirc

Spectrophotometric determination of zirconium in nickel-base alloys with arsenazo III after thenoyltrifluoroacetone extraction

✍ Kehchi Sekine; Hiroshi Onishi 📂 Article 📅 1972 🏛 Elsevier Science 🌐 English ⚖ 201 KB

Rapid extraction of nickel with 2-thenoy

Rapid extraction of nickel with 2-thenoyl trifluoroacetone. spectrophotometric determination in the organic phase

✍ Anil K. De; Md. Syedur Rahaman 📂 Article 📅 1962 🏛 Elsevier Science 🌐 English ⚖ 323 KB

recommended procedure, and the aqueous phase was analysed using the conventional thoron method. Similar experiments were carried out with IoO/, T.B.P.-kerosene, and with aluminium nitrate salting agent. Some typical results are shown in Table I. The effect of foreign elements on the determination w