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The Journal of Pure and Applied Chemistry Research
Published by Universitas Brawijaya
ISSN : 23024690     EISSN : 25410733     DOI : http://dx.doi.org/10.21776/ub.jpacr
Core Subject : Health, Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Materials Science & Nanotechnology Medicine & Pharmacology
The Journal of Pure and Applied Chemistry Research focuses in publishing research articles in the field of Chemistry and Applied Chemistry. The target is in exploring, investigating, and developing chemicals sources from local and/or Indonesian to increase the value. Scope of the journal is organic chemistry, analytical chemistry, inorganic chemistry, biochemistry, and physical chemistry. Included the topic also organic chemistry natural product, theoretical and computational chemistry.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
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Search results for , issue "Vol 3, No 2 (2014)" : 1 Documents clear
Removal of PO43- and Cu2+ Using Ferrihidrit-Chelex 100 Gel by Adsorption Coloumn Risma Putri Disicahyani; Barlah Rumhayati; Atikah Atikah
The Journal of Pure and Applied Chemistry Research Vol 3, No 2 (2014)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (371.003 KB) | DOI: 10.21776/ub.jpacr.2014.003.02.157

Abstract

In the drinking water, there is a heavy metals and nutrient that is harmful to human health, such as phosphate and Cu2+ by product or waste material from sewage population, industry and agricultural. Government Regulation Number 82 at 2001 has said 0.2 mg PO43-/L and 2 mg Cu/L for maximum concentration in the drinking water. Resins chelex 100 and ferrihydrite could be used as a adsorbent for adsorption PO43- and Cu2+. Active sites of adsorbent chelex 100 was used as cation exchanger  because of its  negatively charged (-CH2COO-),  while ferrihydrite was used as anion exchanger  because of its positively charged (OH2+). Removal of Cu2+ are based on the formation of chelate compunds between iminodiacetic functional group and Cu2+, while ferrihydrite and PO43- was through the electrostatic interactions. Composition of ferrihydrite-chelex 100 used was 1:1. In this composition, could be removed PO43- and Cu2+ optimally at volume 7.5 mL with percentage of analyte were 97.66 % PO43- and 96.33% Cu2+. High desorption percentage of PO43- and Cu2+ could be achieved at 86.61% and 60.87% when H2SO4 0.3 M used. In the drinking water, ferrihydrite-chelex 100 gel could removed PO43- and Cu2+ from the refills water with removal percentage between 71 and 81% while from a tap water 84-98% at pH 5, respectivelly.

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