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On the Blow-Pipe and its use-Discrimination of
Compounds of Sulphur with the Metals, Sulphurets
Saline Substances, Sulphates, Phosphates, Iodides, Bro-
mides, &c.
Coloured Flames
Blue Flames
Green Flames
Yellow Flames
Red Flames
On the Indications given by the most common of the
Minerals on being treated by the Blow-Pipe
aided by Fluxes
Minerals of Copper.
Ores of Lead
Ores of Zinc
Ores of Tin
Ores of Iron
Ores of Manganese .
Cobalt Ores
104
113
124
125
127
139
161
163
166
167
11
170
172
173
174
175
On the Discrimination of Minerals by means of the
Blow-Pipe aided by Humid Analysis
Page
176
177
178
179
180
181
Class I. Minerals possessing a Metallic Lustre.
Class II. Metals possessing no Metallic Lustre
188
CHAPTER V.
Minerals of all the Common Metals; their Compo-
sition, and method of determining their Contents
Alloys; or, Mixtures of Gold with Iron, Tin, Zinc, Bronze,
Assay Table, showing the amount of Gold or Silver,
in Ounces, Pennyweights, and Grains, contain-
ed in a Ton of Ore, &c., from the weight of
Metal obtained in an Assay of 200 Grains of
Mineral
404