310 



INDEX. 



Ashes of plants, 228 



of seeds, 229 



Ash of refining hearth, 205 

 Assay of iron, 50, 52 



silver, 67 



Barite, 31 



Baryta and alumina, 33 



and strontia separation, 33 



estimation, 31 

 Bell metal, 72 

 Berthierite, 84 

 Beryl, 151 

 Bismuth and copper, 76 



lead and tin, 74 

 Bitter spar, 27 

 Black cobalt ore, 107 

 Bleaching powder, 2;5Q 

 Blende, 55 



pitch, 195 



Blondlot, plan to detect phos- 

 phorus, 282 

 Blue vitriol, 53 

 Bog iron-ore, 49. 

 Bone-ash, 27 

 Boracic acid, 14, 221 

 Bournonite, 82 

 Brass, 58 



Bromide of sodium, 212 

 Bromine, 222 

 Bronze, 72 

 Brown iron ore, 185 



Cadmium and copper, 60 . > 



and zinc, 60 

 Calcium with iron, 203 

 Carbon estimation, 200 

 Carbonate of lead, 62. 



of potassa and magnesia, 21 



of soda, 223 



of ainc, 57 



Carbonates in water, 220 

 Carbonic acid estimation, 21, 27, 



217, 227 

 Cast-iron, 200 

 Celestite, 31 

 Cements, 211 

 Cerite, 158 



Cerium oxide, 160 



Chalcopyrite, 53 



Chloride of lime valuation, 250 1 



of lithium, 170 



of silver, 14 



of sodium, 13, 212, 214, 



of tantalum, 178 



of thorium, 168 



of zirconium, 157 

 Chlorides of mercury, antimony, 

 and arsenic, 95 



of potassium, sodium, and 



magnesium, 25 

 Chlorimetry, 250 

 Chlorine, 222, 226 



and bromine, 222 



estimation, 14 

 Chrome-alum, 34 



iron-ore, 187 



yellow, 189 



Chromic acid and lead, 189 

 Chromite, 187 

 Chromium estimatiop, 65. 



with iron, 204 

 Chrysolite, 144 

 Cinnabar, 72 

 Clausthalite, 198 

 Clay, 210 

 Cobalt and arsenic, 104 



and manganese, 1,07 



and iron, 106 



ores, black, 107 



speiss, 104 



with iron, 204 

 Cobaltite, 104 

 Coins, gold and copper, 68 

 Coin, silver, 66 

 Columbic acid, 176 

 Columbite, 176 

 Common limestone, 211 



salt, 214 

 Compounds, equivalent weights. 



of, 306 

 Copper, 203, 224, 227 



amalgam, 70 



and antimony, 82 



and arsenic, 76 



and bismuth, 76, 



