ACOMS+ 및 학술지 리포지터리 설명회

  • 한국과학기술정보연구원(KISTI) 서울분원 대회의실(별관 3층)
  • 2024년 07월 03일(수) 13:30
 

  • P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

황산바륜의 공침현상을 이용한 중금속 이온의 제거

Removal of heavy metal by coprecipitation with barium sulfate

분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2006, v.19 no.4, pp.280-284
이석근 (한국화학연구원 화학분석센터)
임헌성
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Abstract

The objective of this study is to investigate the removal of heavy metal by using the coprecipitation of barium sulfate. Several parameters governing the efficiency of the coprecipitation method were evaluated by the pH of sample solution, amount of coprecipitant, and addition of sulfide for the removal of As(V), Cd(II), Cr(III), Cr(VI), Cu(II), Hg(II) and Pb(II) metal ions (<TEX>$10{\mu}g/ml$</TEX> each). The coprecipitation was about 80% - 95% only for lead at low pH but under 10% for other ions. The amount of removal was about 95% - 100% for Cd, Hg, Pb, Cu in the all pH range by the addition of sulfide with barium sulfate but As(V) and Cr(III, VI) ions were not affected by the same conditions.

keywords
coprecipitation, ICP, barium sulfate


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