Journals
Publish with us
Publishing partnerships
About us
Blog
The Scientific World Journal
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
The Scientific World Journal
/
2015
/
Article
/
Tab 2
/
Research Article
Investigations into Recycling Zinc from Used Metal Oxide Varistors via pH Selective Leaching: Characterization, Leaching, and Residue Analysis
Table 2
Percentage of minor metals coleached with zinc in pH 5 leaching solutions.
Acid
Co
Mn
Ni
74.5 ± 0.4
23.4 ± 0.1
19.6 ± 0.3
HCl
72.6 ± 5.5
23.1 ± 2.9
18.5 ± 0.9
HNO
3
63.3 ± 0.7
19.7 ± 0.3
17.0 ± 0.2
H
2
SO
4
66.4 ± 3.5
27.1 ± 5.0
24.8 ± 4.6