\ ve Ae . "ey e 
a Aad Niaek CES a st a 2 * ‘ 
‘ . 
=e ‘ 
_ extract possessed an acid reaction,and the decolorizing power of the sample was 
Paeiar rs Se ee oy 
aay : | Percent. 
Pe { 
: ‘ 
MOISES iret seat eae a Bee 17.14 J 
nn re Vg Bede tet MN WARES GB cee oct ve Pada ped uwleeeaces 9.25 
Shp Soluble in‘water>. 0. oie Penk ss, 4.56 
‘ ‘ 
possessed a high decolorizing power: 
i / Per cent. 
Moisture wis teii ae: SEE hl NOM ES = Ors, $e 30.18 
fy BEB so Souk Ay tea at ae cts x owl | 6.89 
Socluble in water. =i ts. a | 34 
7 
wes 
ea) 
= 
_ hada very faint acid reaction. The filtration was rapid, but the decolorizing power 
not strongly marked: 
> | Per cent. = 
ms : 
. as Moisture... .. es tn ares ee 24.76 
- Se SLUG BeG epee nd een hehe ss 5.65 
aes 3 Bohible in witer. 7.265 22s hed 36 
cae oe : 
Be, _ (97) Sent by M. Swenson, Fort Scott, Kans. : Two samples of lignite. The aque- 
ous extracts were faintly acid and the decolorizing power very slight: : 
a 
¥ 
‘ 
ees: (99) Sent by Hon, Benton McMillin, of Tennessee: A sample from Carthage, 
_ Tenn., which proved to be graphite. 
me EXAMINATION OF SAMPLES OF WATER. 
ie : . 
_  _ A largenumber of samples of water have been sent to this division 
_ mated, the analysis of waters is not a work which falls within the 
legitimate scope of agricultural chemistry except in cases where its 
fitness or unfitness for the use of stock might be called in question. 
Nearly all the samples of water which have been received were sent. 
_ on the supposition that they contained medicinal principles. Wher- 
ever it has been possible to do so the analysis of these samples has 
_ . been declined. When an examination has been made it has been of 
(4) Sent by Charles E. Pearson, Beach, Miss.: Sample of lignite. The soluble 
(95) Sent by J.B. Friedheim, Camden, Ark.: Sample of lignite. This sample 
' (96) Sent by B. F. Reed, Mineola, Tex. : Sample of lignite. The aqueous extract — 
for examination within the past year. As has already been inti- — 
= 2 
