ENKAPSULASI LIGAN 4-(2-PYRIDYLAZO) RESORCINOL UNTUK RETENSI ION LOGAM CD(II)
Praconcentration technique for Cadmium (II) ion based on Flow Injection Analysis using 4- (2-pyridylazo) resorcinol (PAR) ligand has been done. Encapsulation of PAR ligand using 2% w/v Na-alginate solution and 0,1 M CaCl2 solution shown a spheric microcapsule. The microcapsule shows a reliable re...
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| Format: | Final Project |
| Language: | Indonesia |
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| Online Access: | https://digilib.itb.ac.id/gdl/view/71781 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Praconcentration technique for Cadmium (II) ion based on Flow Injection Analysis using 4-
(2-pyridylazo) resorcinol (PAR) ligand has been done. Encapsulation of PAR ligand using
2% w/v Na-alginate solution and 0,1 M CaCl2 solution shown a spheric microcapsule. The
microcapsule shows a reliable retention character for Cadmium (II) ion in pH 6. Static and
dynamic retention capacity are 0,1 and 0,007 mg Cd(II)/gram microcapsule respectively.
Utilization of PAR microcapsule as minicoloum for cadmium praconcentration and analysis
based on Flow Injection Analysis (FIA) gives a good result. Bound Cd(II) ion was eluted
using 1 mL HNO3 1 M. Analytical performance evaluation of this method showed a variance
coefficient of 3,03% for 50 ?g/L standard solution. The calibration curve showed 0,9737 for
linear equation on concentration range 10-100 ?g/L. Analysis result of concentration Cd(II)
in various water sample are 3.38, 2.14, and 3.93 ?g/L for tap water, sea water, and Saguling
water, respectively. |
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