i 
7 
3 
_ 
Analytical Chemistry. 281 - 
Hexethylenic alcohol is only to be distinguished from the last by its 
greater viscidity. It boils at about 325° under the same pressure of 
C,H, | 
4 
C,H, 
0-025", Its formula is C,H, }O,,=C,,H,,0,,4- 
C,H, 
CH; 
“Hy 
When the operation is conducted for a sufficiently long time and an 
excess or glycol is employed, other alcohols of the same series are ob- 
tained, the general formula being the H, | Ones: 
The compounds become more and more viscid as their molecular com- 
plication i increases. e remark a difference of about 45° in their boiling 
poin ‘hen the mixture of bromid of ethylene and By col is heated 
above 130°, very different results are obtained. The liquid becomes 
brown and the alcohols disappear, giving rise to the ciceehaiay brom- 
a ethers— Comptes Rendus, li, p. 365 W. G. 
; n Bau Paichids Protosulphid of Carbon —Ptayrratr has exam- 
ined the different processes given by Baudrimont, for the preparation of 
the Sater aa of carbon. These processes are not less than five in 
n 
is no sufficient evidence of the existence of protosulphid of bert all 
the processes described for its preparation, having failed to yield it. 
W. G. 
Anatyticat Cuesiste 
Contributions from ee Laboratory of the Yale voce per School ; ;—com- 
orgs red by Profs. Brus and Jon te 
on Chancel’s method of estimating sksdokod orie acid % Dy 
oo IL valor —The following new method for the ner 
lately recommended by Chancel as of universal applicability. A 
Nitric acid solution of the substance ares ge acid is treated 
With a solution of nitrate of bismuth* peta is formed 
cd Best s 
prepared, according to Chancel’s latest eg 
.Pure crystallized eoeal nitrate of bismuth, poe nam tice ina an = quay a -od 
ting 68°5 Lage of ce apres gh wit 
Pers Each cubie cen tS pieapitstie 1 con. 
tigram of of phosphoric acid. 
