Laboratory Methods of Inorganic Chemistry, 2nd English Ed. 1928
LANTHANUM BLUB. 45 and the contents will differ only in the amount of iodine. After 24 hours, during which time the bottles shou ...
46 CHANGES OF CONDITION. If a very dilute solution of lanthanum acetate is used, a blue colloidal solution is produced instead. ...
COLLOIDAL GOLD SOLUTIONS. 47 tion, drop by drop, with a colloidal solution of zirconium oxide. 1 After enough of the former has ...
48 CHANGES OF CONDITION. tion has been obtained, the ether can be driven off completely and air introduced to oxidize the excess ...
SEMIPERMEABLE MEMBRANES. 49 reddish-purple precipitate is formed which can be filtered off; the compound is characterized by its ...
50 CHANGES OF CONDITION. entrance of water, the cell rises to the surface of the solution, and remains there until, after ten or ...
CHAPTER III. SIMPLE COMPOUNDS. UNDER the designation simple compounds are included all compounds con- taining but two elements, ...
52 SIMPLE COMPOUNDS. Thus sulphuric acid anhydride is now prepared directly by the contact process (No. 28), nitric oxide from t ...
SIMPLE COMPOUNDS. 53 becomes negligible, and that (2) the rate at which certain substances decom- pose after they have once been ...
64 SIMPLE COMPOUNDS. If, as before, i> represents the volume of the gas-mixture, and the formulas inclosed in parentheses the ...
SIMPLE COMPOUNDS. 55 v, or, in other words, as Nernst predicted from the theory and Haber has found in practice, the yield incre ...
56 OXIDES. reaction studied. In the synthesis of sulphuric anhydride this has been found to be practically true; and it is there ...
LIQUID SULPHUR DIOXIDE. 57 The copper oxide, as fast as it is formed, dissolves in the sulphuric acid, forming copper sulphate. ...
58 OXIDES. FIG. 12. end. This tube is prepared, cleaned, and dried before beginning the distillation; care must be taken to roun ...
SULPHUR TRIOXIDE. 59 molecular, whereas the liquid sulphur trioxide proves to be monomolecular when studied in the same way. It ...
60 OXIDES. and in addition through a tube loosely filled with glass wool in order to free it from the spray mechanically carried ...
NITROGEN DIOXIDE. 61 dioxide becomes apparent. From time to time drive the sub- limate over into the receiver by fanning the top ...
62 OXIDES. After the evolution of gas from the flask has ceased, pass a cur- rent of oxygen through the condensed liquid in the ...
HYDRIDES. 63 Chromic Oxide In the Dry Way from a Chromate. The preparation of chromic oxide by the reduction of an aqueous solu ...
64 HYDRIDES. Certain products which are formed by the occlusion of hydrogen on the part of some of the heavy metals, and are to ...
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