2015
DOI: 10.22146/jml.18746
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HYDROTALSIT Zn-Al-EDTA SEBAGAI ADSORBEN UNTUK POLUTAN ION Pb(II) DI LINGKUNGAN Zn-Al-EDTA Hydrotalcite as Adsorbent for Pb(II) Ion Pollutant in The Environment)

Abstract: AbstrakPolusi ion Pb(II) di dalam lingkungan perairan cenderung naik seiring peningkatan jumlah industri smelter dan daur ulang aki bekas. Penelitian ini bertujuan untuk menguji kemampuan hidrotalsit Zn-Al-EDTA sebagai adsorben ion Pb(II) dalam air secara mendalam. Hidrotalsit Zn-Al-NO 3 disintesis dengan metode kopresipitasi dan hidrotermal pada temperatur 100 °C selama 15 jam. Hidrotalsit Zn-Al-EDTA diperoleh dengan penukaran ion. Keasaman larutan, kinetika dan kapasitas adsorpsi diteliti. Hidrotalsit Zn-Al-… Show more

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“…The wave number of 1410 cm -1 shows the absorption peak of the nitrate anion (NO3 -), which has been adsorbed on the silica [21]. Meanwhile, for the desorption spectrum using HCl eluent, a new absorption peak appeared at a wave number of 777 cm -1 ; this indicates that the exchange of H + ions previously bound with nitrate anions (NO3 -) was successfully released and replaced by chloride anions (Cl -) [22].…”
Section: Functional Group Characteristic By Ftirmentioning
confidence: 98%
“…The wave number of 1410 cm -1 shows the absorption peak of the nitrate anion (NO3 -), which has been adsorbed on the silica [21]. Meanwhile, for the desorption spectrum using HCl eluent, a new absorption peak appeared at a wave number of 777 cm -1 ; this indicates that the exchange of H + ions previously bound with nitrate anions (NO3 -) was successfully released and replaced by chloride anions (Cl -) [22].…”
Section: Functional Group Characteristic By Ftirmentioning
confidence: 98%
“…Bilangan gelombang 1410 cm -1 menunjukkan puncak serapan anion nitrat (NO 3-) yang sudah teradsorpsi pada silika [19]. Sedangkan untuk spektrum hasil desorpsi menggunakan eluen HCl ditandai dengan puncak serapannya di bilangan gelombang 777 cm -1 , ini menandakan terjadinya pertukaran ion H + yang sebelumnya terikat dengan anion nitrat (NO3 -) berhasil terlepas kembali dan tergantikan oleh anion klorida (Cl -) [20].…”
Section: Karakterisasi Silika Dengan Ftirunclassified