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以季戊四醇下脚料甲酸钠为原料 ,套用以合成甲酸钠为原料的方法生产草酸 ,通过一系列条件试验 ,对原工艺作了重要改进 ,草酸纯度达 99 5% ,收率在 59%以上。
Using pentaerythritol fuchsine as raw material, oxalic acid was synthesized by using sodium formate as raw material. Through a series of conditions tests, the original process was improved greatly. The purity of oxalic acid was 99.5% and the yield was above 59%.