= 
J. M. Ordway on Waterglass. “31 
15, a.—100 pts. of a dilation containing 5 p. ¢. of Nato Sits,-—with 20 
of aleohol,—gave 2°16 pts. o 8 floceulent egies 20: pr ecipitate, con- 
taining, besides earthy matters, 18 
15, b—108 pts. of the supernatant Reine or + of ph 21 of alcohol — 
gave 6°3 pts. of a liquid precipitate containing 41°5 p. ¢. of Nave Binss, 
Sesquisilicate of Soda,—with Alcohol of sp. gr. 0840. 
16.—100 pts. of a solution containing 23 p. ¢. of Nai Biua—with 40 of. 
aleohol,—gave 42°5 pts. of a liquid precipitate containing 46 p.c, of | 
Naioo Sinso 
17.—100 pts. of a solution containing 4°6 p. c. of Nato Siss,—with 40 
of alcohol,—gave 4°4 pts. of a soft precipitate ‘eéathiting 48 eS co xe 
Natoo Sits. 4 
Sesquisilicate of Soda,—with Alcohol of sp. gr0°870. 
18,¢.—100 pts. of a clear crude waterglass solution containing l4p.c.- 
of Naww Sins,—with 10 of alcohol,—gave a bluish gray precipitate in — 
which there were 4 pts. of mother liquor and 0°5 pts. of Ga Fes Als 
Nags Sire 
a’.—104 pts. ts. of the filtrate of a,—with 25 of sem me 28° "2 pts. of 
a ac liquid sea abi containing 42°3 of Nao 
ote made from the piedlick of @, and containing 
10°5 p. c. of ye, With 10 of alcohol,—gave a ‘shite precipitate 
in which thefe were 2°6 pts. ¢ mother Tiquor and 0°45 pts. of Als Nas 
Siz: with traces of lime and iron. 
Y.—119 pts. of the filtrate of 5 with 33 of alcohol y—gave 19° 4 pts. of 
a liquid product containing 45:4 p. c. of Natoo = 
—I5 pts. of a solution made from the proddiot. cy y, and — Ca 
— 3 P. C. of Natoo Sines,—with 9 of wloohohc ratte after sta 01 
of a thick liquid product containing 51-4 p. ¢ 
This precipitate was free from 
a’ as pts. of the filtrate of d,—with 16 of alooholy—orded 12 pl : 
of a soft solid product containing 43°6 p. ¢. of Naw Sie 
€—46'5. pts. of a solution made from the product of d’, and ining — ; 
11 p.c. of Naroo Sisss,—with 16 of anata —_— 9°5 - of as 
_ Product containing 45°5 p. ¢. of Nato Sis. 
Sesquisilicate of Soda and Nitric Acid,—with “Alcohol of v. gr. 08 849. 
20.—59 pts. of a solution containing 19 p. ¢. of Naw Sins, ‘mixed 
with at ts. pts. of . <% . nitric aci i456 as to neutralize. one third tot the oi 
alkali Before any farther change ensued, 23 2 : a — were.” 
added. The — soluble deposit t amounted to 20-4 pts. 
