INDEX. 
xli 
Pomade for the hair, Dupuytren's, xi. 
263 
Pomatum for the hair, vi. 178 
to preserve the hair, viii. 84 
Pomegranate root, bark of, 
n. 246 
" " new principle in, iv. 
173 
e< " syrup of, vii. 84 
Pommades, xv. 260 
Ponderable bodies, analogy of caloric, 
electricity, &c, to, vi. 229 
Poppies, syrup of, xv. 140 
Poppy, cultivation of, xiii. 145 
" " in Turkey, vii. 
253 
w red, xviii. 211 
Populine, iv. 87 
Populus tremuloides, xiv. 275 
Porcelain, process for silvering, xx. 57 
Porrigo, ointment for, vi. 178 
Portable botanical press, viii. 99 
Potash, commercial, of New York, viii. 
28 
Potashes, manufacture of, v. 86 
Potassa, i. 51, iv. 200, v. S3, viii. 198 
action of, on organic bodies, 
vii. 85 
" " salts of, on sulphate 
of lead, xvi. 271 
" a nitric acid on bro- 
mate of, xiii. 225 
s: adulterated with soda, test for, 
xvi. 203 
ee - and soda, preparation of pure 
caustic, xvii. 77 
" u separation of, xiv. 
317 
" antimoniate of, with the earths, 
xvi. 37 
" antimoniated tartrate of, i. 287 
" bicarbonate of, new mode of 
preparing, x. 82 
" bichromate of, xviii. 292, xx. 
70 
<c borotartrate of, iii. 312, xii. 36 
" bromate of, action of nitric acid 
on, xiii. 225 
" carbonate of, i. 54, xiii. 93, 
xvii. SO 
" chlorate of, v. 176 
" <c adulteration of, ii. 
244 
" chloride of, xiii. 346 
64 chromate of, ii. 245, vi. 259 
" " adulteration of, i. 
319, xvi. 156 
e< 44 test for purity of, 
v.264 
" citrate of, v. 291, ix. 18 
" from felspar, vi. 81 
4* 
Potassa, hydrate of, crystallized, ix. 
177 
44 hydriodate of, i. 201, v. 175 
44 44 action on bisul- 
phateof quinia, 
ix. 353 
(S " adulteration of, 
iii. 49, vi. 289, 
vii. 27 
44 hydroferrocyanate of, i. 295 
ct hyposulphite and trithionate of, 
xvi. 190 
44 iodate of, iv. 336 
t£ iodohydrargyrate of, vi. 53 
44 manganesiate of, v. 352 
44 nitrate of, i. 54 
prussiate of, i. 55, xx. 170 
sulphate of, x. 27 
4t solubility of, xvi. 
27 
44 transparent, v. 81 
Potassium and naptha, explosive com- 
pound of, v. 240 
c< aurocyanide of, in electro- 
gilding, xix. 237 
44 cyanide of, iv. 85 
44 et as a remedial 
agent, vii. 34, 
xv. 134 
<c explosion produced by com- 
bustion of, xvii. 221 
44 ferridcyanide of, xvi. 252, 
xviii. 318 
C£ ferrocyanide of, xviii. 78,277, 
310 
se hydrargyro-biniodides of, xii. 
265 
ei improved process for, v. 237 
ec in residue of nitre, i. 74 
C( iodide of, viii. 197, ix. 109, 
xiii. 94,xv. 287, 
xxi. 4 
<f " adulterated with 
bromine, xviii. 
217 
e< (( dosing of, xvi. 316 
tf (( new mode of pre- 
paring, xvi. ( 301 
ce e< on tartrate and 
citrate of iron, 
xviii. 306 
li si with sulphates of 
the organic alka- 
lies, xvi. 2l 
(i iodohydrargyrate of, vi. 53 
" mode of filling tubes with, 
v. 241 
<£ red ferrocyanuret, i. 159 
Potato starch and arrow root, i. 74, xv. 
76 
i 
