Laboratory Methods of Inorganic Chemistry, 2nd English Ed. 1928
URANIUM COMPOUNDS. 235 Uranyl Hydroxide, UO 2 (OH} 2. The hydroxide of hexavalent uranium is amphoteric, that is, it has acidic ...
236 COMPOUNDS OF THE RARE ELEMENTS. Prepare a solution containing 25 g. of the reducing agent, and add this to a solution of 25 ...
THORIUM COMPOUNDS FROM MONAZITE. 237 abundant source was sought.^1 This was found in the mineral monazite, a phosphate of the ra ...
238 COMPOUNDS OF THE RARE ELEMENTS. ness on the water bath, dissolve the residue in hot water, and precipitate thorium hydroxide ...
SEPARATION OF THE RARE EARTHS. 239 little water, then with alcohol, and dry them at the room temperature. Atomic Weight Determin ...
240 COMPOUNDS OF THE RARE ELEMENTS. potassium double sulphates than the yttrium earths. Cerium itself occu- pies a characteristi ...
SEPARATION OF THE RARE EARTHS. 241 phate is thereby formed, but this is partially hydrolyzed, and an insoluble basic salt precip ...
242 COMPOUNDS OP THE RARE ELEMENTS. the solution and precipitate the cerium as before by adding mag- nesium carbonate. Bring the ...
CERIUM COMPOUNDS. 243 1.1 parts of water. Evaporate the solution on the water bath until it begins to crystallize, then, after 1 ...
244 COMPOUNDS OF THE RARE ELEMENTS. Cerous Chloride, CeCl 3. Anhydrous cerous chloride is readily obtained from the sulphide by ...
LANTHANUM COMPOUNDS. 245 To separate the didymium from the lanthanum, sift magne- sium oxide very slowly through wire gauze into ...
246 COMPOUNDS OF THE RARE ELEMENTS. (c) Didymium Compounds. Dissolve the didymium precipitate in as little warm nitric acid as p ...
INDEX. PAGE Acetoneoxime 157, 158 Acetone-semicarbazone 157, 161 Acetylene 97 Acids, bases, and salts 65 Adsorbed water 41, 190 ...
248 INDEX. PAGE Ammonium plumbic chloride 143 tribromide 107 Ammonium compounds 156 Amorphous state 38 Amyl nitrite 209 Antimony ...
INDEX. 249 PAGE Blast furnace equilibrium 56 Boiling-point determination 7 Boiling-point determination, with electrical pyromete ...
250 INDEX. PAGE Cobaltous ammonia salts 185-188 Cobaltous salt of hydromercurithiocyanic acid 147 Colloidal solution 33 Colloida ...
INDEX. 251 PAGE Current yield 30, 116 Cyanic acid, constitution of 113 Cyanogen 93, 94 Cyanogen compounds, complex 140 Decomposi ...
252 INDEX. PAGE Elements, extraction of 14 occurrence of 14 rare 219 Enantiotropy 33 Endothermic reactions 55, 91, 103 Equilibri ...
INDEX. 253 PAGE Guldberg, CM 53 Gypsum 195 Halogen compounds 73 Halogens, complex acids of 40 complex salts of 40 oxyacids 114 H ...
254 INDEX. PAGE Indirect combination 169 Inner sphere 166, 181 Inoculation 36, 38, 196, 197 Iodic acid 119 anhydride 119 Iodo-st ...
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