March, 1907.] Difussion of Hydrocyanic Acid Gas. 103 
Ppt. 
T. 
S. 
0 
s. 
0 
0 
s. 
0 
0 
0 
0 
0 
Results 
after 
precipitate 
stood 
17 hours. 
Test 7 
Time Ppt. 
Hdhdhh w'hhhVh 
CM (M^ W CM -h CO ^ CO 
P. M. 
Feb. 28 
Temp. 70° 
Stock 
drenched 
with water 
Results 
immediate¬ 
ly after 
finishing 
Exp. 
Test 6 
Time Ppt. 
Sdtfldccdom'Hd H d 
10 to CIO Q X Cl N N 
cm cm *—• co cm cm co cm co 
Feb. 28 
Temp. 32° 
Box full 
of stock. 
Treated 
out of 
doors 
CO 
Time Ppt. 
H d d d d c/? H c/i H c/5 o c/5 
^CiOXCliONC^N^OO 
CM CM ’-h CO CO CO ^ CO 
P. M. 
Feb. 26 
Temp. 72 c 
Box 
packed 
with stock. 
Solution 
tested after 
standing 
23 hrs. 
Test 4 
Time Ppt. 
doooc/idddoddo 
‘OCC^-tXXWiOCCH 
CM C1HC1 CM < CO ' CO 
Feb. 24 
Temp. 80° 
Floor of 
box wet. 
Test 3 
Time Ppt. 
d ® d t - 5 ' d c - 3 ' ai d c - > , • 
> > >' 
lOKJt'SiOOSOOXffiMOO 
CM cm ^ co *-< co —< co 01 
P. M. 
Feb. 22, ’06. 
Temp. 92° 
Floor of 
box wet. 
CM 
IT. 
w 
I Time Ppt. 
O d h d ^ d d c/5 d d d d 
> 
^^CMCMCCt^COCOt^CiXC; 
P. M. 
Feb. 22 
Temp. 80° 
Test 1 
Time Ppt. 
d ffi d ^ d ^ A d d 
> >' > > > 
lOdh-CiOCCCXCGOCO 
CM CM t-H CO — CO — CO CM 
CM 
. CM 
0 
rv" 0 
fL, 
w 
0 
<: <j PQ pq O d Q Q d d d d 
