## Abstract This paper discusses about the adsorption of metal ions such as Cu(II), Cd(II), Zn(II), and Ni(II) from aqueous solution by sulfuric acid treated cashew nut shell (STCNS). The adsorption process depends on the solution pH, adsorbent dose, contact time, initial metal ions concentration,
The adsorption of polyvinylpyrrolidone and polyethylene oxide onto chemically modified silica
โ Scribed by Richard S Parnas; Mark Chaimberg; Varun Taepaisitphongse; Yoram Cohen
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 688 KB
- Volume
- 129
- Category
- Article
- ISSN
- 0021-9797
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and elution processes because they affect the net charge and Two silica gels, one modified with aminobenzenesulfonic complementary interaction between mobile and stationary (SABS) groups and the other with phosphate (SZP) groups, were phases (17, 18). Amino acids may be very useful in investiprepare
have given rise to great interest for analytical purposes (12), Adsorption properties of metallic ions not essential for human since several evaluations have demonstrated that most of metabolism, such as cadmium, lead, and mercury, on silica chemthese materials show strong adsorption capacities and