INDEX. 
363 
Sulphuric lemonade, ..... 105 
acid, . . . . .201 
" " concentration of nitric acid by . . 2(51 
Sulphurous acid, . . . . .93 
" action on hyponitrous acid . . S3 
" waters analysis of . . .83 
Sulphur, crystals of in the compound tincture of cochlearia . 349 
Sulphuric bath, ..... 105 
Sulphuretted hydrogen, on the spontaneous evolution in the waters 
of the western coast of Africa, . . . 254 
Syrup of tannate of iron, . . . .73 
" iodate of iron, . . . . .74 
'* alcoholic extract of cubebs, . . .73 
" Johnson's ..... 174 
'* fermentation in . . . . 185 
" Coxe's hive ..... 186 
187 
Tannate of sesqnioxide of iron, . . . .93 
Tannin, preparation of .... 171 
Theory, new, for the galvanization of metals . . 85 
Tinctura opii ammoniata, .... 263 
Urea, preparation of . . . . 260 
Urinary calculi composed of cholosterine, . . • 349 
Vallet's protocarbonate of lime, .... 183 
Vanilla, note on . . 190 
Van Swieten's liquor, ..... 104 
Vesicating applications, .... 306 
Vitriol, elixir of .... 174 
Waters, sulphurous, analysisof . . .83 
Water, solvent power of, at high temperature, on silicious minerals 227 
" distilled, of bitter almonds, . . .349 
Wax, vegetable, mode of bleaching . . • 223 
