40 
BULLETIN 1298, U. S. DEPARTMENT OF AGRICULTURE 
Table 13. — -Preservative treatment of pulps — Continued 
Preservative i 
Pounds 
of 
chemical 
per ton 
oven-dry 
pulp 
Effect of chemical on 
pulp 
Months 
in 
storage 
Condition at time of 
inspection 
2.0 
4.0 
2.0 
4.0 
1.0 
2.0 
4.0 
7.2 
8.0 
10.4 
8.4 S 
4.6 A 
7.0 A 
13.8 A 
7.1 
8.6 
8. 2 S 
41.9 
79.0 
50.1 S 
83.8 S 
91.5 
52.6 
113.0 
449 S 
94.4 S 
7.0 
10.0 
15.2 
11.4 S 
14.7 S 
11.2 
20.2 S 
104.5 
202.4 
6.9 
17.9 
13.4 S 
13.8 S 
26.9 S 
89.8 
102.6 S 
82.1 
118.1 S 
43.0 
97.8 
56.7 S 
None ... 
6 
6 
6 
6 
6 
6 
6 
12 
6 
12 
12 
6 
6 
16 
12 
12 
12 
13 
13 
12 
12 
13 
12 
12 
12 
12 
13 
13 
13 
12 
12 
11 
11 
13 
13 
11 
11 
11 
11 
11 
12 
12 
11 
11 
24 
24 
24 
Severely molded and de- 
Do. e 
do 
Slightly yellow 
Somewhat yellow 
Slightly brown 
do 
do 
None. . - 
cayed. 
Somewhat molded and de- 
cayed. 
Considerably molded. 
Do. 9 
Slightly molded. 
Severely molded. 
Do 
Do. 
Do . 
Somewhat molded. 
Do. 3 
Severely molded and de- 
Do 
Slightly brown 
cayed. 
Do. 14 
Severely molded and de- 
Do.u 
do 
cayed. 
Somewhat molded; no decay. 
Orthonitrotoluene 15 
No change at 24 months. 
Somewhat molded and de- 
Do. is 
do 
cayed. 
Do. 
Do. is 
....do 
Slightly yellow 
do 
No appreciable mold or 
Dinitrotoluenp. n 
decay. 
Somewhat molded; severely 
Do. 3 
decayed. 
Severely molded and de- 
Do. » 
cayed. 
Somewhat molded and de- 
Oxalic acid 
None 
Pinkish 
cayed. 
Severely molded and de- 
Do.... 
cayed. 
Do. 
Do 
None 
Somewhat molded and de- 
Do 
Purplish .. .. . 
cayed. 
Somewhat molded; slightly 
Potassium bromate _ _ 
None . 
decayed. No change at 
24 months. 
Somewhat molded; no decay. 
Potassium chlorate. .. 
Brown stains 
No change at 24 months. 
Severely molded and de- 
Do 
do 
None 
cayed. 
Do. 
Do 
Somewhat molded. Also 
Do 
....do 
somewhat decayed at 24 
months. 
Severely molded; somewhat 
Potassium permanganate 
Dark brown . 
decayed. 
Severelv molded and de- 
Do 
do 
.do 
cayed. 
Do. 
Do 
Do. 
Do.... 
Brown 
Somewhat molded and de- 
Do 
do 
cayed . 
Somewhat molded, severly 
Potassium silicoduoridc 
None 
decayed. 
Severely molded and de- 
Do 
do 
Brown . 
cayed. 
Do. 
Quebracho extract. .. . 
Somewhat decayed. Failed 
Do 
do 
None . 
before 24 months. 
Somewhat molded. Failed 
SaloU 6 
before 24 months. 
Severely molded and de- 
Do. 2 
do 
do 
do 
do 
do 
cayed. 
Do. 
Do.i 6 .... 
Do. 
Dc.y«. 
Do. 
Do.2 
Do. 
Sodium acetate 
Do. 
Do 
Severely molded; no decay. 
iSodium aluminate 
Slightly brown 
do 
None 
No change at 24 months. 
Severely molded and de- 
Do 
cayed. 
Somewhat molded and de- 
Sodium arsenate, c. p .. 
cayed. 
Slightly molded; no decay. 
Do 
do 
Slightly brown 
Do. 
Do 
Do. 
See footnotes on page 43. 
