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Palm Fruit (Arenga pinnata) Shell as Biosorbent for the Removal of Cu(II), Co(II), Ni(II), and Pb(II) from Aqueous Solution. - Politeknik Negeri Padang

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Figure 2 . Effect of particle size of theweight arenga pinata shell, at optimum pH conditions, the concentration of 50 mg/L, 1g,volume 20mL metal ion andflow rateof2 mL/min
Figure 4. Langmuir isotherm ofthe metalionisabsorbedbythe arengapinatashell. Note: Cu* (O), Pb* (A), Ni* (D),
Figure 3a. FTIR arenga pinata shell, before (A) and after (B) uptake of metal ions Cu (II)
Figure 10. FE- SEM of the Arenga pinnata with 100X magnification (A), 5,000 X(B) and after absorption of metal ions Pb(II) 100 X (C) and 5000X (D)

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Palm Fruit (Arenga pinnata) Shell as Biosorbent for the Removal of Cu(II), Co(II), Ni(II), and Pb(II) from Aqueous Solution. - Politeknik Negeri Padang

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