ANALISIS SPESIASI ION TIMBAL (II) DAN ION TIMBAL (IV) DI AIR LINDI MENGGUNAKAN METODE POTENSIOMETRI

H, GUSTIA ARYANTI and Suheryanto, Suheryanto and Syarif, Nirwan (2020) ANALISIS SPESIASI ION TIMBAL (II) DAN ION TIMBAL (IV) DI AIR LINDI MENGGUNAKAN METODE POTENSIOMETRI. Undergraduate thesis, Sriwijaya University.

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Abstract

The analysis of speciation of Pb2+ and Pb4+ ions in leachatewith potentiometric method of cell concentrationhas been done. The aims of this research was to determined for optimum conditions from speciation analysis of Pb2+ and Pb4+ ions in variation condition such as pH and temperature, validation methods and amount of Pb2+ and Pb4+ ions in leachate water also carried out in leachate water. Thismethods have a simple circuit, consisting of the anode and cathode connected by a salt bridge and multimeter. The anode and cathode contain the same Pb metal electrodes. Electrolyte Pb2+and Pb4+ ions solution with different concentration. Potentiometric methods of cell type of concentration for speciation of Pb2+ and Pb4+ ions have an optimum condition at pH 5 and temperature 30°C. Based on a calibration curve, Pb2+ ions has a regression y = 12,974x with line equation R = 0,998. Pb4+ ion has a regression y = 32,703x with line equation R = 0,999. LoD and LoQintrument of 0,21 mg/L. The test showed that the accuracy of the method is very high because the % RSD obtained 0,3 % with an average accuracy 94,32 %. The condition of Pb2+ ions in leachate water was obtained at 0,31 mg/L to 0,46 mg/L with avarage 0,38 mg/L. As for Pb4+ ions in leachate was obtained at 0,55 mg/L to 0,61 mg/L with average 0,59 mg/L. The condition of Pb2+ and Pb4+ ions obtained have exceeded the environmental standards set by the regulatory environment minister (0,1 mg/L).

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Speciation of Pb2+ions and Pb4+ ions, Leachate, Potentiometric cellconcentration, Validation
Subjects:	Q Science > QD Chemistry > QD71-142 Analytical chemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Users 5091 not found.
Date Deposited:	31 Jan 2020 07:37
Last Modified:	31 Jan 2020 07:37
URI:	http://repository.unsri.ac.id/id/eprint/26637

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