Table VI. — Determination of the State of Oxidation of the Iron extracted, by Hydrochloric Acid. 
1890-91.] Mr J. Y. Buchanan on Deep-Sea Deposits. 
137 
O 
o 
rH 
II 
NMCOKiniOClN^tNQHHCOOKM 
N010H^®ON®01^000IN®N 
S© g J 
^ 0 EH 
00NON(NTHTH(NW«0^i0®aN(N 
>O»O(TOCDQ0«0 l 10«0'^-^'^C0cblb-SH-^ 
Per cent, 
of total Fe 
extracted 
(expressed 
as Fe 2 0 3 ). 
e>l e 
o 
o 
II 
fflCOW>Q!NOO'^?0«0'^K?OCOHffiiffi 
^©NlOOOpffiOOSOOipiOW'^IO 
|’o 
® r ® 
Q C4H 
Ph o 
-SlS 
o 
o 
HNO)H00W!N«K0a 00 00(NON00 
HCTH^O^MffiWOOOlNOOtOOlK 
OOOOt-HOOOOOOOOOOO 
'o i >3 
^ o ® ® 
■g 3 
§>o -9 § | 
^ hh S o ,52 
02 ^ 
Si 
II 
0-00041 
0-00125 
0-00074 
0-00205 
0-00356 
0-00172 
0-00135 
0-00363 
0-00172 
0-00248 
0-00366 
0-00406 
0-00399 
0*00144 
0-00119 
0-00365 
Equivalent 
Weight of 
Fe 2 0 3 
(grammes). 
Si 
0-01081 
0-01245 
0-01034 
0 01245 
0-00996 
0-00987 
0-00855 
0-01043 
0-00822 
0-00808 
0-00781 
0-00861 
0-01239 
0-01344 
0-01079 
0-01205 
Volume of 
SnCl 2 (c.c.) 
(mean of 
two esti- 
mations). 
's 
0 1000(3 3 0UQ(3CDiOLOONN 
IM©(3©HHTO(3NN(»005(310(» 
C<l G<l G<I G<l 03 G<J 1 — I OT Ah Ah Ah C<5 C<l CO G<1 G<l 
Equivalent 
Weight of 
Fe 2 0 3 
(grammes). 
10 
*=- 9 c 
0-0104 
0-0112 
0*0096 
0-0104 
0-0064 
0-00815 
0-0072 
0-0068 
0-0064 
0-0056 
0-00415 
0-00455 
0-0084 
0-0120 
0-0096 
0-0084 
Per cent, 
of FeO. 
ole 
o 
o 
II 
"e 
OlOOOOOVOINWCONHaOlO^OQOH 
M)^<^OOI^CS10»pCOC<IOOJ>.»pC<)<p i p 
(3(3(3HHHhHHHOOH(3HH 
Equivalent 
Weight of 
FeO 
(grammes). 
rO 
<M 
O 
O 
II 
o 
0-00936 
0-01008 
0-00864 
0-00936 
0-00576 
0-00734 
0-00648 
0-00612 
0-00576 
0-00504 
0-00374 
0-00410 
0-00756 
0-01080 
0-00864 
0-00756 
Volume of 
KMn0 4 
50 
(C.C.) 
(mean of 
two esti- 
mations). 
rO 
(N iO !M N lO O O IQ 
M^(3M!»Oa(»»NiOiQOip(30 
rHr-Hr-HrHOi-IOOOOOOr-lA-lr— (7-1 
Weight of 
Sample taken 
(grammes). 
e 
COM^lOTdtOOT((«l©THaO«0<ON 
N(MMffiffi05N«05DN00(3lOO0JO 
(3NHC0H(3N©NO«0N10H^00 
!000l005ni0(0iQ<0t0©O0)0}Na) 
No. of 
Sample. 
rH(Mlrt?OOOffiHmiOffl^lO©NOCiOS 
cowMnrawT)(^'<j('^50fficoocoooo 
