254 



BAXTER, WEATHERILL AND SCRIPTURE. 



column was chilled to a suitable temperature intermediate between 

 that of the still and the condenser. Since it was a simple matter to 

 apply this principle to the distillation of silicon tetrachloride, all of the 

 fractions resulting from the first distillation, without regard to purity, 

 together with a considerable number of rejected fractions obtained in 



6 



6 



6 



(57jS (§Wf^)W^) 



(J7M) C 



67tt> 6 



G 



(57jf) <8><3>/^)a>(DO(vv}0 



Figure 4. 



the purification of Sample III, were combined in a large bottle by 

 breaking the bulbs with a heavy glass rod, and the mixture was sub- 

 jected to a new fractionation, as indicated in Figure 4. 



The material was poured into bulb .4 through a glass funnel and the 

 bulb, while immersed in hot water, was exhausted with an efficient 



