Excerpt from The Hydrolysis of Sodium Oxalate and Its Influence Upon the Test for Neutrality Sorensen's method for testing the neutrality of the sodium oxalate is as follows: Introduce into a conical Jena flask about 2 50 cc of water and 10 drops of phenolphthalein solution g phenolphthalein dissolved in 50 cc alcohol and 50 cc of water), and evaporate to 180 cc while passing in a current of pure air, free from carbon dioxide. Allow to cool to the ordinary temperature and add 5 g of sodium oxalate. Upon shaking ...
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Excerpt from The Hydrolysis of Sodium Oxalate and Its Influence Upon the Test for Neutrality Sorensen's method for testing the neutrality of the sodium oxalate is as follows: Introduce into a conical Jena flask about 2 50 cc of water and 10 drops of phenolphthalein solution g phenolphthalein dissolved in 50 cc alcohol and 50 cc of water), and evaporate to 180 cc while passing in a current of pure air, free from carbon dioxide. Allow to cool to the ordinary temperature and add 5 g of sodium oxalate. Upon shaking carefully, while maintaining the current of air, the oxalate slowly dissolves. If the solution is red, not more than 4 drops of decinormal acid should be required to render it colorless, while if the solution is colorless, it should acquire a distinct red color upon the addition of not more than 2 drops of decinormal sodium hydroxide. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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.
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