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本文报道了用NaOH,NH_4OH作为沉淀剂在硫酸亚铁溶液中生成FeOOH的条件。用电子显微镜观察了结晶形态;用X射线衍射确定了相组成与相界。NH_4OH及NaOH作沉淀剂所生成的FeOOH在酸性范围内具有相似的相图,而在碱性范围内二者却不同。
This paper reports the conditions for the formation of FeOOH in ferrous sulfate solution using NaOH and NH 4 OH as precipitants. The crystal morphology was observed with an electron microscope. The phase composition and phase boundary were confirmed by X-ray diffraction. FeOOH formed by NH4OH and NaOH as precipitant has a similar phase diagram in the acidic range and different in the basic range.