"Chemical analysis" Quotes from Famous Books
 ... There is a hard, odorless form of rocu and another soft, unctuous, of a delicate red color and an odor rendered highly disagreeable by the urine added to it to keep it soft. Rocu is the preparation of achuete that has been subjected to chemical analysis. Its composition is as follows: Two coloring matters, bixin (C28H34O5), of a red color, resinous, soluble in alcohol, ether, alkaline solutions and benzine, crystallizing in microscopic lamin, quadrangular, red, of a metallic violet ...
— The Medicinal Plants of the Philippines • T. H. Pardo de Tavera
... define exactly what occurs in the case of the ectoplasm, nor, on account of its vital connection with the medium and its evanescent nature, has it been separated and subjected to even the roughest chemical analysis which might show whether it is composed of those earthly elements with which we are familiar. Is it rather some coagulation of ether which introduces an absolutely new substance into our world? Such a supposition ...
— The Vital Message • Arthur Conan Doyle
... secured the services of two of the most distinguished professors of chemistry in this country, Messrs. Markoe and Baird, and submitted to them in camera sixty-seven samples of different inks, known only by numbers, for chemical analysis; in a long and exhaustive report on the work they had set out to accomplish, and also with a dissertation on the chemistry of inks in general, they complete ...
— Forty Centuries of Ink • David N. Carvalho |
