PENGEMBANGAN DAN VALIDASI METODE ATOMIC ABSORPTION SPECTROSCOPY (AAS) UNTUK PENETAPAN KADAR TIMBAL (Pb) DAN KADMIUM (Cd) DALAM IKAN KERAPU (Plectropomus macalatus)

RAHADI. R., 051314153017 (2016) PENGEMBANGAN DAN VALIDASI METODE ATOMIC ABSORPTION SPECTROSCOPY (AAS) UNTUK PENETAPAN KADAR TIMBAL (Pb) DAN KADMIUM (Cd) DALAM IKAN KERAPU (Plectropomus macalatus). Thesis thesis, UNIVERSITAS AIRLANGGA.

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Abstract

Sample preparation is the largest source of errors and one of the most important step of each analysis. Decomposition of organic compounds in the sample required dextructor precise, dextructor HNO3, HF, KMnO4 can be used for the decomposition of various organic compounds. Chelating agents APDC and NaDDTC can overcome the interferences matrix Na, Ca, K, Mg in the sample because it will chelat with heavy metals and do not react with alkali and alkaline earth elements. Selected dextructor for Pb and Cd determintion using destructor HNO3:HF:KMnO4. Selected chelating agents for Pb determination using NaDDTC Pb 0.1% (w/v), pH 5, time shaking 45 minutes and for Cd determination using APDC 2% (w/v), pH 4, time shaking 60 minutes. Selectivity AAS using Hollow Chatoda Lamp (HCL) Pb (λ 283.3 nm) and Cd (λ 228.8 nm); Pb linearity was y = 0.0115x + 0.0010 (r=0.9997); Cd linearity was y = 0.2466x + 0.0212 (r=0.9995); LOD and LOQ Pb 0.06 g/mL and 0.12 g/mL respectively; LOD and LOQ Cd 0.001 g/mL and 0.003 g/mL respectively; RSD Pb 1.6%; Cd 1.4; %recovery Pb 94.06%±4.4; Cd 91.4%±3.5.

Item Type: Thesis (Thesis)
Additional Information: KKB KK-2 TF.01-17 Rah p
Uncontrolled Keywords: Dextructor, Chelating agent, Lead, Cadmium, AAS method.
Subjects: R Medicine > RM Therapeutics. Pharmacology
R Medicine > RS Pharmacy and materia medica > RS1-441 Pharmacy and materia medica
Divisions: 05. Fakultas Farmasi
Creators:
CreatorsEmail
RAHADI. R., 051314153017UNSPECIFIED
Contributors:
ContributionNameEmail
ContributorSudjarwo, Prof. Dr., MS., Apt.UNSPECIFIED
ContributorAmirudin Prawita, Prof. Dr. H., Apt.UNSPECIFIED
Depositing User: Tatik Poedjijarti
Date Deposited: 26 Nov 2017 19:43
Last Modified: 26 Nov 2017 19:43
URI: http://repository.unair.ac.id/id/eprint/67187
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