INDEX. 
XXXV 
ii 
a 
it 
a 
a 
Nitrate of mercury, i. 55, iv. 175, xiii. 
93 
potassa, i. 54 
" and soda, xiii. 86 
silver, i. 55, iv. 14, v. 264, 
x. 25, xiii. 93 
" adulteration of, i. 221 
" and linseed, action be- 
tween, i. 74 
" a test for organic mat- 
ter in water, iii. 91 
" prevention of its color- 
ing effect on the 
skin, xiv. 328 
" soda of commerce, iv. 234 
te of iron, (sesqui-), xvii. 92 
Nitrates and chlorates, discrimination 
between, xiv. 304 
Nitre, residue of, after red heat, i. 74 
Nitric acid, i. 52, vi. 176, xiii. 203, xix. 
123 
c< ei action of, on alcohol, x. 354, 
xv. 279 
« « » nitric ether,xv. 
279 
<£ tl " brucine, xx. 
114 
" (i and nitrogen, reagents for, 
xi. 259 
et " concentration of, xiii. 261, 
xix. 24 
» « distillation of, iii. 137 
" observations on, xxi. 268 
" on salts of potassa and soda, 
- xiii. 225 
" purification of, xv. 117, xvii. 
156 
« " test of, ii. 157, ix. 179 
11 and sulphuric acids, action of, on 
organic substances, viii. 174 
Nitric ether, viii. 260, ix. 27 
" et action of nitric acid on, 
xv. 279 
<e " hvdrocyanic acid in, xvi. 
" 41, 115 
" oxide gas iti eudiometry, vi. 179 
Nitrification of soils, xix. 71 
Nitrogen, condensation of, by vegetable 
mould, xvii. 40 
c: determination of, xiv. 141 
<c from the atmosphere, vi. 183 
iC in plants, source of, xiii. 230 
" means of concentrating, xiii. 
222 
" preparation of pure, xvii. 80 
" protoxide of, on vegetation, 
xviii. 300 
u reagents for, xi. 259 
" sulphuret of, x. 84 
Nitrous ether, iv. 119 
Nitro-muriatic acid, i. 53, iii. 287 
" sulphate of ammonia, vii. 352, 
viii, 11 
" xanthic acid on solution of opium, 
xi. 88 
Nobilis* colored rings, production of, 
xix. 319 
Nomenclature of Berzelius, remarks on, 
v. 209, 257, ix. 1 
Notation, chemical, vi. 40 
Nutgalls an antidote to strychnia, ii. 83 
" " cicuta virosa,xv. 
153 
" ointment of, xv. 74 
" tincture of, i. 58 
Nutrition of plants, xvii. 192 
Nutritive power of the soil, xvii. 40 
Nutmegs, vi. 21 
Nux vomica, acids in, v. 351 
tincture of, 
xvni. 103 
O 
Oak, resin of, ii. 344 
Obituary notice of D. B. Ellis, iii. 180, 
345 
" " M. Dulong, xi. 64 
" " B. Courlois, xi. 168 
" « W. R. Fisher, xiv. 
548 
A. J. L. Duhamel, 
xviii. 315 
Berzelius, xxi. 189 
Ocuba wax, xvi. 152 
Ocymum basilicum, oil of, iv. 81 
Oenanthe fistulosa, a new substance in, 
xxi. 68 
Oenothera biennis, note on, iv. 289 
Officinal sulphur, xviii. 120 
Oil, adulteration of salad, xvi. 291 
" British, v. 29, xi. 73 
" cajaput, iv. 139, 261, x. 19 
" " artificial, vi. 349 
" " to separate copper from, 
vi. 348 
" casks rendered impermeable, viii. 
257 
" castor, alcoholic, xx. 156 
u ft emulsion of, xx. 309 
" cod-liver, vi. 327, xiii. 86, xxi. 136 
" " administration of, xx. 310 
" " iodine in, ix. 350 
(i croton. 
v. 294, vii. 257 
