| As is known, 
oe he free cinnamic ee which this oil eee contains f 
vessels in which the oil is forwarded). F. Lubatti has devisec 
i ; metric estimation method in order to determine the quantity. of le id. 
i) Cc. cassia oil are ole with 20 ce. of 90 per cent. alcohol. 
ferred fo a 50 cc. Resin ae with Small. cavity (25 ay ‘made ie up t0 2 
90 per cent. alcohol. A test of lead-free cassia oil, obtained by" di on, 
ina similar manner. Both Gout are treated with i cc. ammonium s it 
EUitlon (ic CC: contains 0.0001 gr. ead), till the been soteueet of the: cae ft 
The ‘lead-content is calculated from the formula x= co ae where x = 
content of ledd, n = ‘number of cc. of the lead solution used, and m : = 
original solution. ee : 
course of a month as much as 0.074 percent. of lead; a Hintior increase ‘in ae : 
content for longer periods was not observed. The commercial oil contains. as a 
--0.04 to 0.06 per cent. lead. PRE a yee ao 
The amount of, cedar camphor present in the oil was ariablie : acderaley as a thes 
distilled <4 once from the fresh shavings, or later. ee that had been 
of melting ale 75.59: 
Years ago Schimmel & Co. were able to obtain ory: East An 
Madar Baantioe of aablting point 86 to 370 was obtained*). 
8 : , y ‘ 2g . : ; 
_ Chamomile Oil. seis have been unable to pyrotnse aree FOR asi 
Be? ~ since the native lots, which are gccasionally offered us give a2 very po 0 : 
5 a temporary shortage of this hehe) ae still be reckoned with, ; 
1) Gildemeister and Hoffmann, The Volatile Oia: 2nd eons vol. IL Pp. “Bt; 
*) Journ. Soc. chem. Ind. 39. (1920), T. 35.. — *) Journ. Soc. chem. Industry aa 
October 1911, 106. RCW ALY 3 Ce 
