Stability of lithium hydride in Argon and air

Article Abstract:

The oxidation behaviors of LiH under a high purity argon atmosphere, an argon atmosphere with some [O.sub.2] and [H.sub.2]O impurities and ambient air at both room and high temperatures are investigated using a variety of analytical instruments including X-ray diffractometry, thermogravimetry, mass spectrometry, scanning electron microscopy and specific surface area analysis. The oxidation behaviors of the ball-milled LiH under different atmospheres are also studied and compared with those without ball milling.

Industrial Gas Manufacturing, Industrial gases, Argon, Electric properties

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Mechanistic investigations on the heterogeneous solid-state reaction of magnesium amides and lithium hydrides

Article Abstract:

Isothermal and non-isothermal kinetic measurements on the chemical reaction between Mg(NH2)2 and LiH, as well as the thermal decomposition of Mg(NH2)2, have given apparent activation energies of 88.1 and 130 kJ/mol, respectively. The linear relationship between time and the extent of the reaction of Mg(NH2)2-LiH has indicated that the kinetic barrier might come from the interface reaction in the earlier stage of the reaction.

Magnesium Compounds, Solid state chemistry

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Interaction between lithium amide and lithium hydride

Article Abstract:

An investigation on the interaction between the pure lithium amide (LiNH2) and LiH is reported. Pure lithium amide (LiNH2) decomposes to lithium imide and ammonia at temperatures above 300 degree C.

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