Ivi 
INDEX. 
X 
Xanthopenic acid, 
Xanthoxylon, 
xvi. 138 
viii. 195 
Xanthoxylum fraxinaeum, i. 163 
Xerophyllum setifolium, xi. 163 
Yellow iodide of mercury, xii. 265 
" pitch, xii. 132 
Yellow wax, mode of bleaching, iii. 264 
Yellows, vegetable, v. 262 
z 
Zaffre, purification of cobalt from, xix. 37 
Zamia integrifolia, xiv. 22 
Zedoary, v. 328 
Zinc, acetate of, vii. 14, xvii. 142 
" carbonate of, ointment of, xix. 91 
<c chloride of, ix. 294, xiv. 352, xviii. 
241 
" " antiseptic power of, 
xix. 269 
lt combinations and properties of, 
vii. 82, 258 
" danger of keeping milk in vessels 
of, xv. 76 
" impurity of carbonate of, xvi. 182, 
185 
Zinc, means of purifying, xiv. 105 
" oxide of, iv. 200, vi. 82, x. 24 
« " adulteration of, vi. 287 
" plates, mode of dividing, xviii. 
318 
" protection of iron by, xiii. 86 
" resemblance between the sulphates 
of magnesia and, i. 155 
" valerianate of, xvi. 157, 313, xvii. 
2. 
" " hydrated, xxi. 312 
" " preparation of, xvi. 
298, xviii. 243 
Zincing, xv. 65 
Zittman's decoction, vii. 175, xii. 51 
