CONTROL OF DECAY IN PULP AND PULP WOOD 39 
Table 13. — Preservative treatment of pulps — Continued 
Preservative * 
Hydrosilicofluoric acid 10 
Do 
Lactic acid, U. S. P 
Lead acetate 
Do 
Do." 
Do 
Do 
Do." 
Lead nitrate 
Do 
Lysol 
Magnesium ammonium chlo- 
ride. 
Magnesium chloride 
Do 
Magnesium nitrate, c. p 
Magnesium silicoiluoride 12 
Do 
Do... 
Do 
M agnesium sulphate 
Manganese sulphate 
Mercuric acetate 13 ... 
Do 
Do 
Do 
Nickel sulphate 
Mononitrobenzene " 
Do.' 
Do. is 
Do. 1 5 
Do." 
Dinitrochlorobenzene ■ 
Do 
Do 
Do 
Do . 
Do... 
Orthonitrophenol " 
Do. 3 
Do." 
Do. 3 
Do. 14 
Do. 3 . 
Do." 
Do." 
See footnotes on page 43, 
Pounds 
of 
chemical 
per ton 
oven-dry 
pulp 
44.9 
95.3 
61.1 
45.0 
46. 1 A 
69. 4 A 
76.5 
45.3 S 
123.5 S 
90.3 
99.0 S 
96.4 
102.3 
24.9 
95. 1 A 
87.6 
34.1 
52.7 
57.9 S 
111.1 S 
87.2 
90.2 
8.1 
10.6 
11.0 S 
21.8 S 
6.4 
7.0 
9.2 A 
13. 1 A 
7.5 S 
3.5 
6.2 
10.0 
5. 8 S 
9.9 S 
20.; 
2.1 
2.4 
4.2 
4.3 
7.0 
Effect of chemical on 
pulp 
Brown. 
Slightly brown. 
None 
.do. 
Slightly brown. 
Pinkish 
None 
Slightly brown 
None 
do 
....do 
....do 
None. .-- 
.do. 
.do. 
do 
Slightly brown. 
_do. 
None 
do.... 
do.... 
....do... 
do... 
do 
Slightly brown. 
Brown 
Slightly brown. 
do 
.do. 
Slightly yellow. 
Yellow 
Slightly brown. 
Darkened. 
Months 
in 
storage 
Condition at time of 
inspection 
Somewhat molded; slightly 
decayed. 
Severely molded and de- 
cayed. 
Do. 
Slightly molded and de- 
cayed. No change at 24 
months. 
Severely molded; slightly de- 
cayed. 
Severely molded; very slight- 
ly decayed. 
Severely molded and de- 
cayed. 
Do. 
Do. 
Do. 
Somewhat molded. Slightly 
decayed at 24 months. 
Considerably molded; no de- 
cay. No change at 24 
months. 
Severely molded and de- 
cayed. 
Do. 
Do. 
Do. 
Severely molded; no appreci- 
able decay. No change at 
22 months. 
Somewhat molded. 
Considerably molded and de- 
cayed. 
Do. 
Severely molded and de- 
cayed. 
Do. 
Somewhat molded and de- 
cayed. 
Do. 
Do. 
Do. 
Severely molded and de- 
cayed. 
Do. 
Do. 
Severely molded; somewhat 
decayed. 
Somewhat molded and de- 
cayed. 
Somewhat molded; no decay. 
No change at 24 months. 
Somewhat molded and de- 
cayed. 
Slightly molded. Consider- 
ably decayed at 22 months. 
No mold or decay. Some- 
what molded and decayed 
at 22 months. 
Do. 
No mold or decay. Slightly 
molded at 22 months. 
No mold or decay. Some- 
what molded and decayed 
at 22 months. 
Severely molded and de- 
cayed. 
Do. 
Do. 
Do. 
Do. 
Do. 
Somewhat molded and de- 
cayed. 
Considerably molded and 
decayed. 
