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The precipitation of indium hydroxide was a step in the separation of indium from zincblende ore by Reich and Richter, the discoverers of indium. [6] Indium(III) hydroxide is amphoteric, like gallium(III) hydroxide (Ga(OH) 3) and aluminium hydroxide (Al(OH) 3), but is much less acidic than gallium hydroxide (Ga(OH) 3), [5] having a lower ...
A flame test involves introducing a sample of the element or compound to a hot, non-luminous flame and observing the color of the flame that results. [4] The compound can be made into a paste with concentrated hydrochloric acid, as metal halides , being volatile, give better results. [ 5 ]
Indium trihydride is an inorganic compound with the chemical formula (InH 3). It has been observed in matrix isolation and laser ablation experiments. [2] [3] Gas phase stability has been predicted. [4] The infrared spectrum was obtained in the gas phase by laser ablation of indium in presence of hydrogen gas [5] InH 3 is of no practical ...
Mixed flowing gas (MFG) is a type of laboratory environmental testing for products, particularly electronics, to evaluate resistance to corrosion due to gases in the atmosphere. Mixed Flowing Gas (MFG) test is a laboratory test in which the temperature (°C), relative humidity (%RH), concentration of gaseous pollutants (in parts per billion ...
Pourbaix diagram of iron. [1] The Y axis corresponds to voltage potential. In electrochemistry, and more generally in solution chemistry, a Pourbaix diagram, also known as a potential/pH diagram, E H –pH diagram or a pE/pH diagram, is a plot of possible thermodynamically stable phases (i.e., at chemical equilibrium) of an aqueous electrochemical system.
Indium reacts with water to reproduce soluble indium(III) hydroxide, which is also amphoteric; with alkalis to produce indates(III); and with acids to produce indium(III) salts: In(OH) 3 + 3 HCl → InCl 3 + 3 H 2 O. The analogous sesqui-chalcogenides with sulfur, selenium, and tellurium are also known. [39] Indium forms the expected trihalides.