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than in any other gravimetric method for fluorine. Acknowledgment.-This work was done under a fellowship grant in analytical chemistry from the J. T. Baker Chemical Company of Phillips- burg, N. J. Gratitude is here expressed for the aid given. summa

summary. Germanic nitride has been prepared by reacting metallic germanium. Germanic oxide may be used in place of ger-. The nitride is readily reduced by hydrogen at 700' to germanium and. This process serves as a method of analysis for the germaniu

summary. 1. Under the conditions used by us sodium ethylate is not a useful re- agent for obtaining the sodium salt of phenylacetonitrile. 2. A considerable quantity of sodium phenylacetonitrile is undoubtedly formed in the reaction of the nitrile wi

of this product from water yielded a white crystalline compound which began to sublime at 175" and melted with decomposition and charring at 180-193 '.

July, 1929. ADDITION REACTIONS OF VINYL PHENYL KETONE. I. 2151. 0.00507 mole per liter. According to the data of Hildebrand,lo the value of S should be ...

wooden board. Direct a gentle stream of ammonia gas upon the samples in rapid succession, preferably beginning with the smallest. A series of explosions of increasing intensity will ensue. summary. The present article contains a brief description of

glass Siemens ozonizer tube, furnished by a high voltage induction coil. The other was an arc from a 20,000-volt Thordarson wireless transformer passing ...

He believes that the results obtained by Chace and Church were due to the lower concentration of ethylene used, 1 part in 5000 of air. Rosa4 states that ...

THOMAS MIDGLEY, JR., AND ALBERT I,. HENNE. VOl. 52 analogous processes. Consequently, the structure of the tetramethyl- octadiene will have a very ...

Summary. (I[). It has been shown that Messinger's method for the analysis of ace- tone gives accurate and concordant results under proper conditions. (;z) The influence of standing, method of adding the iodine solution and shaking, effects of excess