Default wheels buttons colors changes are now visualized in real time on the device instead of being applied after validating the dialog.Isomerization in the absence of light reached approximate equilibrium with a decrease in volume of only about 60% of that occurring in the presence of light.Help and Documentation – Bug reports and features requests Recent changes 8.3.11 – The isomerization of alpha to beta tung oil under ordinary laboratory illumination was found to be accompanied by a decrease in volume of about 4% and an increase in density. The amount of glycerides in the liquid state was found to increase substantially during the final 10 degrees of the melting range. The contents of solid and liquid phases of alpha and beta tung oils were calculated over the ranges of melting of these oils. The absolute densities of the alpha and beta oils were determined, and the absolute specific volumes over the ranges of melting of all these substances were calculated and reduced to graphic form.įorms II and III of the beta oil irreversibly transformed to Form I with contraction in volume during dilatometric examination. The expansibilities of alpha tung oil and the three original polymorphic modifications of beta tung oil have been determined in both the solid and liquid states, and the melting dilation of each substance was calculated. Polymorphism was not observed in alpha tung oil. These modifications, which melt at 52.8°, 44.4°, and 28.0☌., have been designated as Forms I, II, and III, respectively. Three polymorphic forms of beta tung oil have been recognized and differentiated on the bases of their melting points and x-ray diffraction spacings.

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