"Silica" Quotes from Famous Books
 ... twigs of the coffee tree, yielded 33 grains of ashes, or 3.300 per cent. The ashes consist of potass, lime, alumina, and iron in the state of carbonates, sulphates, muriates, and phosphates, and a small portion of silica. According to Liebig's classification of plants, the coffee tree falls under the description of those noted for their preponderance of lime. Thus the proportions in the coffee ...
— The Commercial Products of the Vegetable Kingdom • P. L. Simmonds |
