334

I77J polar, 12, 15, 53; resistance
of electrolyte to, 218; retarding
effect of interposed plates, 218-
225; secondary results of, 144;
theories of, 55, 60, 68; trans-
ference of elements in, 69, 72, 76;
water, influence of, 54; without
metallic contact, 173, 175, 177

De la Rive, theory of electro-chemi-
cal decomposition, 59, 67

Dilution, effect on voltaic excite-
ment, 284, 290

Dobereiner on combination effected
by platina, 95

Dulong and Thenard on combination
effected by platina and solids, 95

Electricities, identity of, i, 7, 26

Electricity, absolute quantity in
different bodies, 163; animal, 24;
common, 7; conduction of, 46;
definite chemical action of, 30, 65,
152, 381, 382; magnetic action of,
29; magneto-, 22; phenomena
exhibited by, 2, 3; thermo-, 24;
of voltaic pile, 3, 170, 183, 194.
See also Voltaic pile

Electro-chemical equivalents, 157-
162, 200; forces of matter, 200

Electrodes, character of bodies
evolved at, 133; definition of, 112

Electrolysis, 113, 133. See Decom-
position, electro-chemical

Electrolytes, 113, 157; action of,
187, 238; chemically inactive,
241; nature of, 185; polarised
light in relation to, 197; propor-
tion of, in relation to decom-
position, 117, 121; resistance to
decomposition, 218; thermo-cur-
rents in, 274

Ether, combining power of platina
prevented by, 107

Faraday's correspondence on pecu-
liar voltaic condition of iron, 321,

330

Fluorides fused, electrolysis of, 142
Fusinieri on combination effected
by platina, 96

Galvanometer, the, 8, 29

Gaseous bodies, combination of, 84

Gases, elasticity of, 98, 109

Glass, attraction for air, 99; de-
composition of, 115

Grotthuss, theory of electro-chemical j
decomposition, 56 !

Faraday's Researches

Hachette, theory of electro-chemical O!

decomposition, 60, 67

Heat, conducting power increased O

by, 44, 46; effect on voltaic ex- ' O:
citement, 270, 271, 274, 281;
evolved by animal electricity, 24; f
by common electricity, 7; by mag- ^ p;
neto-electricity, 22; by thermo- - P<
electricity, 24; by voltaic elec- K

tricity, 3, 5

Hydriodic acid, electrolysis of, 141 P'

Hydrogen and oxygen, action of ,
platina on, 86, 94, 102; and
spongy platina, 108 t

v P:

Ice a non-conductor of electricity

32, 41 "I P

Identity of electricities, i, 7, 26 !

Iodide of potassium, conduction by, I

41; electrolysis of, 207; test of i

chemical action, 14

Iodides, fused, electrolysis of, 151; j P.

in solution, electrolysis of, 141 I, P°

Ions, 157, 161, 162; mutual rela- '

tions in circuit, 200; table of, 161 P<

Iron, Faraday on voltaic condition P

of, 321, 330; Schdnbein on voltaic s

condition of, 317 |

I

Lead, voltaic effects in sulphuret of I

potassium, 262 I P

Liquefaction, conduction consequent •

upon, 32, 35, 39, 46 f P

Magnetic effects of animal electricity, ! P:

25; of common electricity, 7; , P:

of magneto-electricity, 23; of j
thermo-electricity, 24; of voltaic
electricity, 5,7 R

Magneto-electricity, 22 j
Marianini on source of power in

voltaic pile, 233, 234, 261 i S<

Matter, quantity of electricity in, 163 •

Measure for volta-electricity, 122 • Si

Metal, poles of, 82 ]

Metallic contact. See Contact theory i

Metals, order as electromotors, 295; I Sj

power of inducing combination, f

300 <

Muriatic acid, electrolysis of, 139; I

order of metals as electromotors I

in, 298 <

i' Sl

Nitric acid, 118, 240; electrolysis j

of, 137 ] &
Nitrogen determined to either pole,

81, 135, 137 Si

Nitrous acid in voltaic circles, 239, |

248 j