## a m a a n d M . A . K a s s e m ' The rate of diffusion of chloramphenicol and tetracycline-HCI from white petrolatum wasfoundtoincreaseinthepresenceofeitherwoolwaxesorwool wax derivatives; the effect being more pronounced in conjunction with the latter group. Forbothantibiotics,thereleasingprop
Studies on Wool Wax II: Investigation of the Phenomenon of Thixotropy
β Scribed by Kassem, M. A. ;Kassem, A. A. ;Salama, H. A.
- Publisher
- John Wiley and Sons
- Year
- 1970
- Weight
- 451 KB
- Volume
- 72
- Category
- Article
- ISSN
- 0931-5985
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β¦ Synopsis
Abstract
Wool waxes, previously investigated for their general flow characteristics, were studied here for their thixotropic behaviour as a function of animal breed and geographical locality. The data obtained showed that the breed as well as the geographical locality of the animals have got a pronounced effect on the phenomenon of thixotropy.
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## Abstract Structural composition of two distillate waxes obtained from Ankleshwar crude oil tank bottoms have been determined using physical properties correlations, high temperature g.l.c., ^1^Hβn.m.r. and ^13^CβFourier transform n.m.r. spectroscopy. Both waxes seem to contain predominantly nβpa
Alcoholic alkali solutions, such as potassium t-butoxide in t-butanol and potassium hydroxide in ethanol, have been known to remove the covalently bound lipid from the wool fibre surface. In this study, x-ray photoelectron spectroscopy (XPS) and secondary ion mass spectrometry (SIMS) have been used