SEEU Review vol. 5 Nr. 2 (pdf) - South East European University

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Fatmir Faiku, Haxhere Faiku, Murtezan Ismaili, Arben Haziri and Sevdije Govori Table 3. Extraction of elements with the help of organic solution of N,N-Dioctyl-1-Octanamine in presents of KI c(HCl)/mol dm -3 γ(KI)/g dm -3 % Fe Cu Ni 2 50 20.6 100 - 4 50 14.2 100 - 6 50 10.5 100 - 2 75 15.5 100 - 4 75 15.1 100 - 6 75 8..5 100 - 2 100 6.6 100 - 4 100 12.4 100 - 6 100 18.5 100 - Table 4. Extraction of elements with the help of organic solution of N,N-Dioctyl-1-Octanamine in presents of CH 3 COONa c(HCl)/mol dm -3 γ(NaAc)/g dm -3 % Fe Cu Ni 2 50 100 15.5 - 4 50 100 45.8 6.4 6 50 100 82.6 5.5 2 75 100 12.8 - 4 75 98.5 38.5 - 6 75 96.8 74.2 - 2 100 96.2 10.8 - 4 100 98.5 40.5 - 6 100 95.8 74.2 6.5 Iron in entirety extracted from the solutions which contains KCl and CH 3 COONa (table 2, 4 and figure 1a,b,c ; 3a,b,c). Percentage of Fe extraction from the solutions containing KI will fall drastically and is sited round the boundaries of 6.6 – 20.6% (table 3 and figure 2a,b,c). 218
<strong>SEEU</strong> <strong>Review</strong> Volume 5, No. 2, 2009 100 Fe 100 Fe 100 Fe % of extraction 80 60 40 20 0 Cu Ni 2 4 6 c(HCl) % of extraction 80 60 40 20 0 Cu Ni 2 4 6 c(HCl) % of extraction 80 60 40 20 0 Cu Ni 2 4 6 c(HCl) Figure 1. Extraction curves of elements with N,N-dioctyl-1-octanamine expressed as a function of concentration of HCl and KCl: a) (KCl)=50 g dm -3 , b) (KCl)=75 g dm -3 , c) (KCl)=100 g dm -3 . Copper from the solutions that contain KI is extracted at a rate of 100% (table 3 and figure 2a,b,c). Copper extraction from the solutions that contain KCl and CH 3 COONa is very similar and the graph curves of extraction have similar shape ( table 2, 4 and figure 1a,b,c ; 3a,b,c). A common characteristic is the low yield extracted copper from solutions of HCl with c=2 mol dm -3 . And the high yield from solutions with c=6 mol dm -3 . Concluding that the effect of concentration of HCl on the percentage of the extraction is high, whereas the effect of concentration of salt is low. 100 Cu 100 Cu 100 Cu 80 80 80 % of extraction 60 40 % of extraction 60 40 % of extraction 60 40 20 0 Fe Ni 2 4 6 20 0 Fe Ni 2 4 6 20 0 Fe Ni 2 4 6 c(HCl) c(HCl) c(HCl) Figure 2. Extraction curves of elements with N,N-dioctyl-1-octanamine expressed as a function of concentration of HCl and KI: a) (KI)=50 g dm -3 , b) (KI)=75 g dm -3 , c) (KI)=100 g dm -3 219
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UNIVERSITETI I EVROPËS JUGLINDORE
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Contents Foreword by the Editor in
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138 Reviewers: Benjamin Keatinge Dr
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Iranda Bajrami, MA kanë qenë të
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Iranda Bajrami, MA to read and use
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SEEU Review vol. 5 Nr. 2 (pdf) - South East European University

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