a eS ee 
F. H. Williams—Synthesis of Hydrocarbons. 365 
way the gas was required to go to the whole length of the tube 
in the freezing mixture. Nearly all the hydrocarbons were 
condensed in the first of the tubes, some in the second and 
almost none in the third. 
water-bath to the retort, and was kept as nearly constant as 
sible. About sixteen hours after, six or seven c.c. of liquid 
ydrocarbons were drawn off from the freezing tubes. The 
liquid had a very unpleasant odor and burned with a very 
smoky flame. 
About eighteen hours after charging the retort, it was dis- 
connected from the rest of the apparatus and the black liquid 
in it poured on a filter, care being taken not to allow any o 
the iron to go out. Two liters of fresh acid were added and 
the retort put back in its place. The black residue on the 
filter and the filtrate from it will be referred to again. 
he next day the liquid was poured out of the retort; two 
L Hydrocarb . Il. Hydrocarbons 3213 grms. 
Se aeog i sme gg22 
HEO 2172 EO 3728 “ 
It, Hydrocarbons 3625 © | IV. Hydrocarbons 8555 ih 
Ag Ch 1677 | Ag Cl 1761 
T. Tl. Til: IV. 
te 74°79 74°89 pats cases 
ydrogen 13°67 12°89 “eas en 
Chlorine oes a 11°44 12°25 
