Laboratory Methods of Inorganic Chemistry, 2nd English Ed. 1928
MERCURY FROM CINNABAR. 25 DESULPHURIZATION OF SULPHIDES BY THE PRE- CIPITATION PROCESS. Antimony from Stibnite. Sulphides conta ...
26 THE ELEMENTS. reaction by heating. Use 1 g. of sodium in all. After cooling, break the test tube and collect the amalgam, whi ...
PURE SILVER FROM COIN METAL. 27 cupel is made. This process is made use of technically for obtaining pure silver from the impure ...
28 THE ELEMENTS. METALS BY ELECTROLYSIS. Lithium from Fused Lithium Chloride. Fused lithium chloride, like the aqueous solution ...
LITHIUM BY ELECTROLYSIS.^29 In carrying out electrolytic preparations, the apparatus is usu- ally arranged in accordance with th ...
30 THE ELEMENTS. starting the electrolysis maintain a sufficient flame to supplement the heating effect of the current in keepin ...
LITHIUM BY ELECTROLYSIS. 31 nometer (1) empty, (2) filled with petroleum, (3) containing the lithium alone, and (4) containing t ...
CHAPTER II. CHANGES OF CONDITION. CHANGES in the state of aggregation of substances have already been men- tioned in the precedi ...
ALLOTROPY. 33 ALLOTROPY.^1 Many solid substances appear, under different conditions, in two or more distinct forms (known as all ...
34 CHANGES OF CONDITION. (b) The temperature is found at which the difference of potential between each of the two modifications ...
ALLOTROPIC MODIFICATIONS OF SULPHUR. 35 the experiment. Read the temperature every 10 seconds and plot the results (Fig. 10). Wh ...
36 CHANGES OF CONDITION. The Transition Temperature from the Heating Curve. The cool- ing curve of sulphur does not, when determ ...
TRANSITION POINT. 37 When sulphur is heated in a test tube above 160° it becomes dark and so viscous that the tube can be invert ...
38 CHANGES OF CONDITION. THE PASSIVE CONDITION. The change of some metals, particularly chromium and iron, into the passive cond ...
AMORPHOUS SULPHUR. 39 or obsidian, possess such a viscosity that they appear to be solid bodies. The amorphous solid condition i ...
40 CHANGES OF CONDITION. which are unable of themselves to pass directly into colloidal solution, but can by suitable means be b ...
ADSORPTION COMPOUNDS. 41 The laws of their motion have been studied and found to correspond to that expected from the kinetic mo ...
42 CHANGES OF CONDITION. are of so specific a nature (for example, iodo-starch) that it has been only after the investigation of ...
COLLOIDAL ANTIMONY SULPHIDE. 43 platinum passes in grayish brown clouds into the liquid. It is not usually possible to preserve ...
44 CHANGES OF CONDITION. colored pseudo-solution, that appears perfectly clear by trans- mitted light. First remove the excess o ...
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