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• MODIFICATION OF VOLCANIC ASH OF KELUD AS SELECTIVE ADSORBENT MATERIAL FOR Zn(II) AND Cr(VI) METAL IONS

  Susila Kristianingrum (Department of Chemistry, Faculty Mathematics and Natural Science, Yogyakarta State University, Yogyakarta, Indonesia, Indonesia)
  Endang Dwi Siswani (Department of Chemistry, Faculty Mathematics and Natural Science, Yogyakarta State University, Yogyakarta, Indonesia, Indonesia)
  Sulistyani Sulistyani (Department of Chemistry, Faculty Mathematics and Natural Science, Yogyakarta State University, Yogyakarta, Indonesia, Indonesia)

  35-43

  Abstract View : 83

  PDF downloads: 32

  DOI : 10.21831/jsd.v7i1.22246