Introduction to the Rarer Elements

acetic acid solution acidified add sodium alcohol alkali alloys aluminum Amer ammonium hydroxide ammonium sulphide anorg aqua regia barium beryllium boiling Bromate Bromides cæsium and rubidium cerium Chem Chim chloroplatinic circa color Complex silicate compounds Compt crystallization cyanide decomposed didymium dilute dioxide discovery dissolved double chloride double sulphate Dtsch element elementary evaporate excess Experiment extracted with water Filter filtrate fluoride fused gold heated hydrochloric acid hydrogen sulphide ignition insoluble iridium Jour lanthanum lithium methods mineral molybdate molybdenum niobium nitrates nitric acid Note obtained osmium oxalic acid oxide palladium phosphate potassium iodide potassium sulphate powder praseodymium precipitate radium rare earths rend residue rhodium rubidium ruthenium salt add selenious selenious acid selenium separated soluble specific gravity spectrum sulphuric acid tantalum tellurium terbium tetroxide thallium thallous thorium tion titanium treated Try the action tungstate tungsten Typical forms uranium vanadate vanadium warm yellow yttrium Zeitsch zinc Zircon zirconium