由磷铁制备微球形磷酸铁的研究

Abstract

Abstract: Ferro-phosphorus was used as raw material to prepare iron phosphate.The influence of three different media， which include Fe³⁺-PO₄^3--NH₃·H₂O，Fe³⁺-PO₄^3--Na₂HPO₄，and Fe³⁺-PO₄^3--dispersant A on properties of iron phosphate crystals was discussed.After comparison，it was found a kind of micro-spherical iron(Ⅲ) phosphate with good thermal stability and amount-of-substance ratio of P to Fe close to 1 had been prepared in Fe³⁺-PO₄^3--dispersant A system.Analysis on the chemical composition and structure of the product was also made.

Key words: iron(Ⅲ) phosphate, crystallization, system, micro-spherical

CLC Number:

TQ126.35

CAO Yan-Lei, XIAO Ren-Gui, LIAO Xia, LUO Xi-Jia, CAO Jian-Xin. Preparation of micro-spherical iron(Ⅲ) phosphate based on ferro-phosphorus[J]. INORGANICCHEMICALSINDUSTRY, 2012, 44(10): 18-.

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Inorganic Acid-Base-Salt Committee of CIESC

Preparation of micro-spherical iron(Ⅲ) phosphate based on ferro-phosphorus

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