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Author: WikiMatrix
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English[en]
LiAH was first prepared from the reaction between lithium hydride (LiH) and aluminium chloride: 4 LiH + AlCl3 → LiAlH4 + 3 LiCl In addition to this method, the industrial synthesis entails the initial preparation of sodium aluminium hydride from the elements under high pressure and temperature: Na + Al + 2 H2 → NaAlH4 LiAlH4 is then prepared by a salt metathesis reaction according to: NaAlH4 + LiCl → LiAlH4 + NaCl which proceeds in a high yield.
Indonesian[id]
LAH pertama kali dibuat dari reaksi antara litium hidrida (LiH) serta aluminium klorida: 4 LiH + AlCl3 → LiAlH4 + 3 LiCl Selain metode ini, sintesis industri memerlukan persiapan awal natrium aluminium hidrida dari unsur-unsurnya di bawah tekanan dan suhu tinggi: Na + Al + 2 H2 → NaAlH4 LiAlH4 kemudian disiapkan dari reaksi metatesis garam menurut persamaan reaksi: NaAlH4 + LiCl → LiAlH4 + NaCl yang berlangsung dalam rendemen tinggi dari LAH.