"Alumina" Quotes from Famous Books
 ... alpine limestone, and in the transition schists. The mixture of carbon, sulphuretted iron, and copper, appears to me to augment with the relative antiquity of the formations.) The strata of marl effervesce with acids, though silex and alumina predominate in them: they are strongly impregnated with carbon, and sometimes blacken the hands, like a real vitriolic schistus. The supposed gold mine of Cuchivano, which was the object of our examination, is nothing but an excavation cut into one ...
— Equinoctial Regions of America • Alexander von Humboldt
... dyeing red grounds and red pieces were not successful. The custom of dyeing up to a brown with fleur and then lightening the shade by a succession of soapings and cleanings had much to do with this failure. Goods, mordanted with alumina and dyed with alizarin for reds up to saturation, never reach the brown tone given by fleur or garancin. This tone is due in great part to the presence of fawn colored matters, which the cleanings ...
— Scientific American Supplement, No. 286 - June 25, 1881 • Various
... dilute hydrochloric acid, is (with the exception of the alumina it may contain) composed of fertilising material. The substances found in the soluble inorganic matter of soils are lime, magnesia, alumina, silica, phosphoric acid, oxide of iron, oxide of manganese, potash and soda. The insoluble mineral matter is nearly all silica. There is very little ...
— A start in life • C. F. Dowsett
... dynamic than those of Browne, and he attempts to analyze various embryonic fluids by coagulation and distillation procedures. His experiments reveal, for example, that "coagulations" effected by different acids vary according to the fluid; thus, the addition of "alumina" to bovine amniotic fluid produced a few, fine precipitations, whereas the allantoic fluid was precipitated like urine. By such means Needham was able to demonstrate, however crudely, that there are considerable differences in the various fluids occurring within and around the fetus. Furthermore, ...
— Medical Investigation in Seventeenth Century England - Papers Read at a Clark Library Seminar, October 14, 1967 • Charles W. Bodemer |
