The reactive condition was temperate, the raw material had no toxicity and the output was high.
反应条件温和，反应物无毒，产率较高。
In this paper, the reactive theory of the preparation of sodium hypophosphite by one-stage process taking phosphor, calcium oxide and sodium carbonate as raw material is introduced.
详细研究了以黄磷、氧化钙和碳酸钠为原料，采用一步法制备次磷酸钠的最佳条件和有关工艺。
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