Some Constituents of the Poison Ivy Plant (Rhus Toxicodendron)

A portion of the original substance was treated with 50 per cent. alcohol and was found to be partly soluble in this medium. The solution was filtered from insoluble tar. A port...

Produced by Bryan Ness, Josephine Paolucci and the Online Distributed Proofreading Team at https://www.pgdp.net. (This book was produced from scanned images of public domain mat...

Nitrogenous ferments which can effect the hydrolysis of glucosides and give rise to sugars are frequently found in plants, for example, emulsin in almonds, myrosin in mustard, a...

In the early stages of this work some experiments were made to see if potassium permanganate could be used to purify the lead precipitate by oxidizing the tar brought down in pr...