Excerpt from Year-Book of Pharmacy: Comprising Abstracts of Papers Relating to Pharmacy, Materia Medica and Chemistry Contributed to British and Foreign Journals, From July 1, 1916, to June 30, 1917, With the Transactions of the British Pharmaceutical Conference Kryptonine, an Amorphous Alkaloid Of Ipecacuanha. J. U. L l 0 y d. (j. Amenpharm. Assoc., 1916, 5, Kryptonine is an amorphous alkaloid present in very small quantity in ipecacuanha. According to Waldbott it has the formula 029h40n209. It occurs as a colloidal, orange yellow amorphous precipitate, black in mass, or scales, deep black in bulk, gar net-red in separates, and giving no crystalline salts. Adhesion qualities with pure white filter paper, very pronounced. Not deliquescent. Taste - Very bitter. Saliva coloured yellow thereby. Soluble in water, etoh, chcla, glycerin, dilute acids, and dilute alkalies. Insoluble in Et and cghg. Dilute solution in water and etoh, yellow to red, in accordance with proportions. With alkalies, the yellow solution turns red. Acids added to excess, turn the red back to yellow. Fehling's Test - NO reaction, or very faint. Test for Tannin - No reaction with ferric chloride. Alkaloidal Tests - Heavy precipi tate with the usual alkaloidal reagents. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.