INDEX. 



313 



Nickel 



and iron, 204 



and zinc, 97 



cobalt and iron, 99 



pure preparation, 98 



speiss, 98 



with iron, 204 

 Niobite, 176 

 Nitrate of ammonia, 296 

 Nitre, analysis of, 252 

 Nitric acid, 221, 225 



Olivine, 144 



Ores, black cobalt, 107 



brown iron, 185 



chrome iron, 187 



manganese, 248 



platinum, 111, 114 



red silver, 84 



tellurium, 138 

 Organic matters in soil, 225 

 Orthoclase, 147 

 Osmium, 113 

 Oxalate and phosphate of lime, 



238 

 Oxide of cerium, 159, 160 



of didymium, 160 



of lanthanum, 160 

 Oxides of manganese, iron, and 

 zinc, 59 



of thallium, 129 

 Oxygen estimation, 42, 53 



Palladium, 111 



Permanganate of potash prepara- 

 tion, 50 

 Pewter, 73 



Phosphate and oxalate of lime, 238 

 of alumina, 36 



of magnesia and ammonia, 23 

 of soda and ammonia, 22 

 Phosphoric acid, 223, 226 

 and alumina, 37 

 and arsenic acid, 63 

 and magnesia, 24 

 and oxide of lead, 63 

 and sesquioxide of iron, 

 41 



27 



Phosphoric acid 



estimation, 23 

 separation from bases, 



29 



Phosphorous acid, detection, 285 

 Phosphorus, poisoning by, 288 



with iron, 202 

 Pitch-blende, 195 

 Plant ashes, 228 

 Platinum metals and ore, 111, 114 



residues, 121 

 Poisoning with arsenic, 258 



poisoning with phosphorus, 



278 



Potash and alumina, 148 

 Potashes, 247 

 Potash permanganate, 50 

 Potassa, 222, 226 



and antimony, tartrate, 80 



and magnesia, carbonate, 21 

 sulphate, 19 



and soda, tartrate, 16 

 Potassium, chloride of, 25 



ferrocyanide, 257 

 Powders, bleaching, 250 

 Proustite, 86 

 Pyrargyrite, 84 

 Pyromorphite, 63 

 Pyroxene, 150 



Red silver-ore, 84 

 Rhodium, 112 

 Rochelle-salt, 16 

 Ruthenium, 113 

 Rutile, 175 



Saline springs, 216 

 Salt pans, incrustations from, 215 

 Scheelite, 181 



Scherer's plan to detect phospho- 

 rus, 278 



Schreibersite, 109 

 Schweinfurt green, 76 

 Selenium and selenides, 195, 198 



soot, 197 

 Seeds, ashes of, 229 

 Seignette salt, 1 6 

 Selenide of lead, 198 



