n ae a as “free from ‘éhiorine”, but. even aha highty poisonous aitoben iene has 
4 supplied instead, as was revealed by samples, recently. sent us for examination. 
de S, there was a sample which. proved to be a 10 to 15 per cent. solution of benz- 
yc de in pisaaes Beeson ought to be on the alert, therefore, and have the ae 
¥ The qaltave test for chlorine is easy and i iS conveniently carted out according to 
eg 
= remarks, be Shaihs too much time and demands a seneiderible ainount of 
u atus. He therefore tried other Mays recommended and arrived at the following 
clusions: — ene | | 
ie ‘Piria | and Schiff’s method, according to which benzaldehyde is heated with lime in 
dlatinum crucible, does not lead to any result, as too much benzaldehyde is lost. in » 
process. But Vaubel’s test is quite useful. It consists in heating benzaldehyde with ) 
acentrated ‘sulphuric acid and collecting the vapours in silver nitrate solution. The 
Its are ‘satisfactory, especially if a modification indicated by Salamon, is taken ad- 
se of, as follows:— f 
Be ina’ retort, 1 gram of paasaidehvae is mixed ‘with 40 ee jok cnaeentoned Sipe : 
eS id. then 5 cc. of nitric acid are added and the mixture is heated until the vapours 
onducted into silver nitrate solution do not cause any more a precipitate insoluble in 
dilu oan nitric ne _In order to BOS y any silver ‘sulphite that may have formed, the 
wy 
2 ae were: — aes Le | ; 
pf according to auhel ale BAA O13 1 Q 47 per dene: 
; y Se Carius seg eo OAD FO" 4.9 » » | 
Pa 
et 
- 
Civet. Occasionally, consular reports refer to the export of. cnet), Oe example © 
of the Aden Consul of the United States‘), stating that the normal exports from 
total 45000 § but that. they have decreased since the war broke out. In 1914, 
it 3tie per cent. of the quantity sold in Aden went to the United States, as compared 
60. ‘per cent. to the value of 21238 , in 1916. Formerly, France was the chief 
orter and bought, in addition, from Djibuti. The United States, France, Great Britain 
Egypt take up almost the total civet exports from Aden. As far as it is possible 
ascertain, the civet sold in Aden comes from the Abessynian highland. The civet 
cat lives in northern Abessynia, especially in te Shankalla and Malaya districts, where 
he climate is say cools.” | | | 
ae ‘ Sy 
aS 
a 
GS 
; arin. In a sample submitted to us for examination, we stated an adulteration 
ast be considered as an absolute Failure; there gti an admixture of not less than 
. 
ie and Hoffmann, The Volatile Oils, 274 ed., vol. Ly page 609, See also Report October 1916, 90. — 
mM. , Record 8 pide! 4. — e. Comp. (aes Setober 1911, 111. — *) Chemist and Druggist 89 (1917), 701. 
J 5 / 
