current: of air, 
dollows: <The! substance enters one end ‘alouly. do be drop, 
or better still pat is” Ted. ; Arena: the sae rh 
~ oxygen; and escaping products of combustion pass into Weker When 
complete, the flask is washed out with water, and the washings filtered a 
water which has taken up the escaping products of combustion, ‘into. on Entergy es 
flask. In this way all the carbon particles are got tid of, and the filtrate < contains the — 
dissolved HCl, which is estimated by titrating with silver nitrate solution. Thus the — 
total chlorine-content can be determined, whether in side-chain or nucleus, or in bo eee | 
The experiment can be quickly performed and gives very good results, as. benzaldehydes 
of known chlorine-content (in form of monochlorbenzene and benzyl chloride tespecti(ply, 
added) have shewn us:— : < Me ale Prot ie. 
Benzaldehyde -+ 1.0 
Te 
{3a 
st 
4 
x 
per cent. Cl; found: 0.96 per cent. 
” : 7 430 po on ite. » ly 5 0. 95. ” Skee ° i 5 4 
” a 0.2 ” » oO» x 0.18 Yr. ig ae aN : a oe ah 
1 year ae 0.2 ” > ” aoe; oan 0.19 oy ‘ 0 Mee ay ~ He ae Be 
” a 0.2 ” 3 ” ” ” | 0.21 » » oes hi Me 
” “- 0.05 ” ” ” rena 0.048 e : ” ote Tat aa 
a -- 0.05 Pane ” ” 0. 051 — yy a 
” of 205 5%; ” ” ” 0. 046 ” ; Ps ‘yi ‘ 
. ” str 0.02. ,, ” ” ” 0. 015 oy s ‘ Ms 
” 2 0.02 yoo» ” 3 Me 0.021 oe | aoe ae 
the working out of the apparatus. 
Benzyl alcohol.—Experiments with pedal alcohol, benzaldehyde, and benzy 
on worms showed that the alcohol with a concentration of 0.5 per. cent. very 
the aldehyde and the acetate are less. effective. : 
~ 
c 
killed off earthworms; 
asa therapeutic agent’). 
upon as a provisional announcement. 
The publication is therefore only. to be Tookec 
Inc 
