Chemistry and Physics. 461 



tube 





u])Oii the iodide of pliosphorns through a funnel tube drawn out at 



thi' end. Every time tliut ^vater is added a violent reac-tion ensues 



,11'il i(i(lido of phos})honium condenses in the wide gla^s tube, while 



-' . ill ijunntities of iodhydric aoid are condensed in the water ot 



' i-'k. Aitvr all the'water is added, the retort is at first gi-ntly 



■ . .111(1 atterward heated to low redness to as to dri\ e all tlu 



.1,1(1 the tilavs tube. On breaking the glass tube after i-ool- 



1 idi.le of i)hosi)honiuni is found in thick crusts like- sal- 



1 i.i. c. ^ of 



glass and introduced i 



n pieces (,f the ^ 



■ize of a 



, ll.sk pre 



.%idedwith a rubber 



stopper Ihi-ou'.l 



1 ^^hi(h 





ith a stop cock and bi 



db, and a delir. 



ry tube. 



solution of 



• caustic i)otash, of tbt 



' strength of th 



at com- 



l.lovedin. 



.>rganic analysis, be all 



owed to llow down ui.on 



S a regulai 



• current of hydric pho 

 r under control. The 



sphi<le,Pll„is( 



.^olved, 





gas is periectl 





X'iodM^ 



yield about one liter 



of gas. The gas is not 



msly inflnn 



iniable, but becomes sc 



^ bv passing through ni- 



Allichcdlt 



ains a trace of nitrous 



acid. HolSiann 



recom- 



:i iH'autiiu 



1 lecture table exi.eriment the decom 



position 



dric piios. 



>hide bv means of the 



induction spark 



passing 





gas carbon.— /^rr/.A^t; 



der Deutschen 



Chenl 



:/'/. .I'll'n-i/i 



iiKj iv, ]). 200. 





W. G. 





'HhstHution nf tlu alcohol radicds for 



the hy. 



I'f'r; „i> 



,,,^,A ;,/,._ Absolute ak 



•ohol heated witl 



1 iodide 



.uium Viol 



ds hvdric idiosphide. e 



thylic iodide an( 





has empl 



oved this Reaction in 



a'beautilul process for 



the iodide 



softriethylamltetret 



hyl-phosphoniun 



.. which 



i simply he 



'atino- one molecule of 



iodide of phosp 



honium 



' molecules of absolute alcohol i 



n a sealed tube 



for G-8 



b^OH\ Under these circumsta 



nces the ethvlic 



■ iodide 



ilyupontl 



le hydric phosphide to 

 nium. Aftercoolinu^ 



form the iodide« 



. of the 



'1 phospho 



the tube is found filled 



autiful sn, 



.w-white,<M■^stanine^n 



lass, which dissc 



)lves in 



> l>orfectlv 



colorless solution. Th 



e crystals are a i 





■<i"nl proportions of the iodides o 



f trieth^landte 



trethyl- 



_,.__. The sol 



vstals of 1 



;;^;^;"^i<^;Vlly pure!' Thriollid'jro^'tr 



^llylic ah 

 of new ] 



W :: allyli. al "h^: piS^nd gi;^er:n ga" ^^omi;; < 

 jr'5.<^f nw TG^xxXx^.—Berirhte' der Beutschai Chew. 



