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STUDY ON MEASUREMENT OF TRACE Cr IN STEEL PICKLING SOLUTION BY LIQUID FILM SEGREGATION AND ENRICHMENT PROCESS
Author(s): 
Pages: 46-48
Year: Issue:  3
Journal: RESEARCH ON IRON AND STEEL

Keyword:  微量铬乳状液膜迁移富集酸洗液;
Abstract: 研究了用TBP-P204-SPAN80-煤油高效乳状液膜体系分离富集铬(Ⅵ),实验测量了外相PH值、协同流动载体(TBP+P204)浓度、表面活性剂、SPAN80和内相NaOH浓度对Cr(Ⅵ)迁移、富集的影响,结果表明:只有Cr(Ⅵ)能从常见离子中得到满意的分离和富集.该法已成功地应用于富集和测定钢材酸洗液和工业废水中微量铬.
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