-4| Water-| Car- 
Period 
' Sample ex- Date of at i 
} amined. sampled. | stor- |"(V; ond 
Ne age ae 
i f (As2035).| (CO2). 
Ht 
i AW (100 pounds 
i in hardwood 1920. Mos. | Perct. | Per ct. 
barrel). S72 Js) 0) eel |7-4| Marae hee 0.08 1.78 
June 23 2.4 07 1.88 
1921. 
Jan. 14 9.1 07 1.90 
July 20} 15.3 -10 1.84 
Nov. 25 19.4 -08 1.92 
1922. 
Mar. 1] 22.6 DS.) beers: 
AT (200 pounds 
in hardwood 1919. 
barrol). 2. v2 53), Dee... le soe oe -02 2.38 
1920. 
Jan. 8 1S 05 2.35 
Feb. 6 2-2 -05 2.36 
Mar. 6 So2 02 2.41 
o 0) PP 4.2 - 03 2.41 
May 4 spall -05 2.46 
June 10 6.3 04 2.70 
July 14 7.4 -05 2.84 
Aug. 14 8.4 -05 2.99 
Sept. 17 9.5 05 2.55 
Oct 10.5 - 06 2.58 
Nov. 17 TISS 05 3.18 
Dees 15 12.5 - 06 3.28 
1921. 
Jane" bh 1s Bes, -05 3.52 
Apr. 2| 16.0 - 04 3.11 
July 1] 19.0 .08 | 4.12 
Oetnr 22.0 apliz. 4.88 
1922. 
Name? 2 2570 -10 Bb) 
AS (50 poundsin 
hardwood bar-| 1920. 
Fel) Meeeiate Jo: Anh 20+] s es226 -08 2.78 
June 10 aL aay -02 PANS" 
July 14 2.8 03 2. te 
Aug. 14 3.8 - 02 2.64 
Sept. 17 4.9 04 2.65 
Oct. 15 5.8 - 02 2s ber 
- Nov. 17 6.9 -02 2.64 
Dec. 15 7.8 -05 3. 26 
1921. 
Jan. 15 8.8 05 3.13 
Apr. 2| 11.4 .06 | 3.42 
July 1) 14:3 09 4.64 
Octe tallies 07 4.53 
1922. 
Jan. 24 2024 “5 5.30 
AS-1(25 pounds | 1920. 
in metal drum) | Apr. 20 |.....-. -07 2.92 
June 10 1a -03 2.85 
July 14 2.8 03 2.50 
Aug. 14| 3.8 S02 sl Di a7. 
Sept. 17 4.9 02 2.46 
Oct. 15 5.8 02 2.62 
Nov. 17 6.9 02 2°53 
Dee. 15 7.8 -04 2.76 
1921. 
Jan. 15 8.8 -05 2.83 
Apri, 2.,| .411.4 -05 2.78 
July 1] 14.3 -05 2.60 
Oct: Agl 17.3 | .05 Dede 
1922. 
Jan; « 2 20.4 - 04 2.58 
Sample ex- 
amined. 
AS-2 (25 pounds 
inunlined su- 
gar barrel)... ... 
AS-3 (25 pounds 
in paper-lined 
sugar barrel)... 
AS-4 (25 pounds 
in hardwood 
parrely.s.% 2.2, 
AS-5 (25 pounds 
in unlined ve- 
neer drum).... 
BULLETIN 1115, U. S. DEPARTMENT OF AGRICULTURE. 
TABLE 2.—L fect of storage on chemical composition of calevum arsenate. 
Date 
sampled. 
Period 
stor- 
age. 
Water- 
soluble 
Car- 
bon 
Tae a a wows 
Boor woos 
Sots RS 
Cr Dm WORD 
~I wnwowd 
AABN 
bm 
edocs 
Sb 
i) 
> 
PPS Sue we oo bo 
a ee 
“ae edie atte led 
NOROHH WO 
CARDRONE 
