Unsaturation test

Does not give Unsaturation Test with alkaline potassium permanganate (distinction from cinnamic acid, see below). 

Oxidation, (a) Unsaturation test. Dissolve about o-i g. of cinnamic acid or of a soluble cinnamate in about 5 ml. of 10% NajCOg solution. To the cold solution add 1% aqueous KMn04 drop by drop. Immediate decolorisation denotes unsaturation. (Note. Many easily oxidisable substances, e.g.y formic acid, acetaldehyde, etc.y also rapidly decolorise alkaline permanganate. Cinnamates, however, do not reduce Fehling s solution.)... 

Wronkiewicz, D. J., Bates, J. K., Gerding, T. J., Veleckis, E. Tani, B. S. 1992. Uranium release and secondary phase formation during unsaturated testing of U02 at 90 °C. Journal of Nuclear Materials, 190, 107-127. 

Once this common thermodynamic framework is established for the solubility of U02 under nominally reducing conditions, we have to ascertain the most probable pathway for the oxidative alteration of U02 spent fuel in geological repository conditions. There is a large body of evidence on the processes involved in the oxidative alteration of natural uraninites and unirradiated U02. Long-term unsaturated tests performed by Wronckiewicz et al. (1992) on groundwater from Yucca Mountain (the so-called J-13 groundwater), indicated that the formation of schoepite, as described by process (20) and (21), occurs, but is a transient event and that the alteration proceeds towards the precipitation of... 

Unsaturation, tests for, 360, 1058 Unsymmetrical diaryls, synthesis of, 927-928 Uramil, 851... 

Problem 17.23 Because of their highly reactive benzene rings, aryl ethers may decolorize bromine in carbon tetrachloride. How could this behavior be distinguished from the usual unsaturation test Hint Sec Sec. 6.30.)... 

For all measurements made on unsaturated test pieces, the moisture content can vary between grades from 0.30-0.40%. 

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