This groundbreaking study of chemical reactions provides a detailed analysis of the process by which normal sodium pyrophosphate is transformed into orthophosphate under different conditions. Hansen's experimental results shed new light on the factors that influence this complex reaction, and provide a valuable resource for scientists and researchers working on related topics. A fascinating and informative read for anyone interested in the science of chemistry. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.