摘要
采用凝聚沉淀法提纯工业草酸,可在短时间内除去硫酸盐、重金属两项杂质,达到试剂二级标准。
Industrial oxalic acid was purified by means of coagulating pricipitation method. The content of heavy metals and sulfate were reduced to 0.0004% and 0.002% respectivily.
出处
《河北大学学报(自然科学版)》
CAS
1997年第2期78-79,共2页
Journal of Hebei University(Natural Science Edition)
关键词
草酸
凝聚沉淀法
提纯
试剂
制备
Oxalic acid Coagulating pricipitation Purification