3-OXIMINOMETHYLSALICYLIC ACID AS AN ANALYTICAL REAGENT. PART II. SPECTROPHOTOMETRIC DETERMINATION OF URANIUM

Journal Article · Tue Mar 01 04:00:00 EST 1960 · Journal of the Indian Chemical Society (India) Absorbed Indian J. Appl. Chem.

OSTI ID:4178598

Ray, A K; Ray, P

The use of 3-oximinomethylsalicylic acid as a reagent for the spectrophotometric determination of uranium(VI), with which it develops an orange- red color in alkaline solution, is described. The wave-length of 400 m mu is found most suitable for absorption measurement. The optimum pH of the solution is at 6.70 to 9.30 with an excess of the reagent, at least 5 to 6 times the molar proportion of uranium, for the maximum development of color. The color is stable at room temperature below 30 deg C. Beer's law holds good at 7.14 to 119.0 ppm uranium. Sensitivity is 0.12 gamma U/ c.c. The composition (1: 1) of the colored species was evaluated by Job's method and the probable constitution suggested. Most cations and anions interfere with the determination of uranium. Hence a preliminary separation of uranium from the interfering ions is essential. (auth)

• Research Organization: Indian Ass'n. for the Cultivation of science, Calcutta
• NSA Number: NSA-14-017819
• OSTI ID: 4178598
• Journal Information: Journal of the Indian Chemical Society (India) Absorbed Indian J. Appl. Chem., Journal Name: Journal of the Indian Chemical Society (India) Absorbed Indian J. Appl. Chem. Vol. Vol: 37; ISSN JICSA
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ABSORPTION
ACIDITY
CHEMISTRY
COLOR
HYDROXIDES
MEASURED VALUES
PHOTOMETRY
QUANTITATIVE ANALYSIS
SALICYLIC ACID
SENSITIVITY
SOLUTIONS
SPECTRA
URANIUM