Index

335

O1efiant gas, combining power of

piatina prevented by, 105 108
J-Jxide of lead, electrolysis of, 149
^xygeri and hydrogen, action of
Platina on, 86, 94, 102

Particles, nascent state of, no
-odide of mercury, 120

sphoric acid not an electrolyte,
§

Physiological effects of common

electricity, 18; of magneto - elec-

tricity, 23; of thermo-electricity,
.24; of voltaic electricity, 5
J- lates, interposed, causing retarda-

tion of electrolysis, 218-225
1 iatina, cleanliness essential, 98,
combining power of, 85-91,
98, 102 — interferences with,

I05 ; spongy, in relation to

hydrogen, 104, 107, 108
Polar decomposition, 12, 15, 53
Polarised light in relation to elec-

trolyte, 197
Pole defined, 112
Poles, electric, nature of, 50, 63, 82 ;

evolved bodies at, 75 — character

of> I33; of air, 48, 50, 82; of

.metal, 82; of platina, 83, 85, 90;

of water, 61, 74, 81
Potassium nitrate, electrolysis of,

209
Potassium, sulphuret of. See Sul-

I>h.uret of potassium
Protochloride of carbon, 119
Protosulphuret of potassium

electrolyte, 269

Riffault and Chompre on electro-
chemical decomposition, 58, 66

Sclioiibein on voltaic condition of
iron, 316

Silver chloride, electrolysis of, 76,
*54> 208; voltaic effects in sul-
pliuret of potassium, 268

Spark, produced by animal elec-
tricity, 25; by common electri-
city, 19; by magneto-electricity,
23 ; by thermo-electricity, 24
by voltaic electricity, 5; withoui
metallic contact, 198

Sulphate of soda, electrolysis of,

of antimony not an elec-
trolyte, I2O
Sulplauret of carbon, combinin
power of platina prevented by,
107

iulphuret of potassium, active

circles excited by, 259, 265;

alternating currents in, 270; and

heated metals, 279; as conductor,

238, 241 - • ,
>ulphuret of silver, conducting

power of, 44
Sulphuretted solutions, exciting

action of, 194
Sulphuric acid, conduction by, 38,

72, 138, 188, 240
Sulphurous acid, electrolysis of,

138

Tartaric acid, electrolysis of, 143

Thermo - currents
277

in electrolytes,

Thermo-electricity, 24
Thermo-electric phenomena, 308
Tin, voltaic effects in sulphuret of

potassium, 261
Torpedo fish, electric discharge of,

Transference of bodies. See Decom-
position, electro-chemical

Volta-electrometer, 84, 122

Voltaic battery, 211; current in,
212, 213; in action, general
remarks on, 226-232; witho.ut
metallic contact, 298; zinc in,
214, 215

Voltaic circles, Fig. 43, p. 201;
active, 259; associated, 211;
combinations of substances em-
ployed in, 256; effect of air, 274;
effect of dilution, 284, 290; effect
of interposed plates, 218-225;
effect of motion of fluids, 273;
effect of temperature, 271, 274,
279, 281; inactive, 241 et seq.\
order of metals in, 295; proto-
sulphuret of potassium in, 269;
relation of ions in, 200; simple,
172; sulphuret of potassium in,
238, 241, 259, 265; without
metallic contact, 175, 298
Voltaic current, 6, 175

Voltaic electricity, 3; chemical
action as source of, 179, 180, 181,
185, 190, 282; chemical effects of,
5; discharged by hot air, 4;
evolution of heat by, 5; identity
with common electricity, 8, 12,
16, 31; magnetic force of, 5, 7;
physiological effects of, 5; rela-
tion by measure to common
electricity, 27; spark produced
by, 5tricity, 24; of voltaic