POTENSI ARANG AKTIF BIJI ALPUKAT (Persea americana Mill) SEBAGAI ADSORBEN ION KADMIUM (II) DAN TIMBAL (II) DENGAN AKTIVATOR H2SO4

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dc.contributor.authorMunawarah, Sri
dc.contributor.authorHanifah, Tengku Abu
dc.date.accessioned2016-05-02T04:47:24Z
dc.date.available2016-05-02T04:47:24Z
dc.date.issued2016-05-02
dc.description.abstractUtilization of avocado seed as activated carbon has been done. The activated carbon of avocado seed was made by carbonization at 400oC for ± 2 hours and chemical activation using H2SO4 with various concentration of 2.5; 5.0 and 7.5%. The characterization result showed that activation using 5.0% H2SO4 have a good characteristics with 3.68% of moisture content, 0.84% of ash content, 385.22 mg/g of iodine adsorption and 19.62 m2/g of surface area. Fourier Transform Infrared (FTIR) was used to determine the functional groups of activated carbon. The activated carbon was used to adsorb cadmium and lead ions. Concentration of cadmium and lead ions were analyzed using Atomic Absorption Spectrophotometer (AAS). Optimum adsorption of activated charcoal avocado seeds were obtained at 0.38 ppm for 97.11% of cadmium ions and at a concentration of 4.83 ppm for 97.92% of lead ionsen_US
dc.description.sponsorshipFakultas Matematika dan Ilmu Pengetahuan Alam Universitas Riauen_US
dc.identifier.otherwahyu sari yeni
dc.identifier.urihttp://repository.unri.ac.id/xmlui/handle/123456789/8346
dc.language.isoenen_US
dc.subjectavocado seeden_US
dc.subjectactivated carbonen_US
dc.subjectchemical activationen_US
dc.subjectH2SO4en_US
dc.titlePOTENSI ARANG AKTIF BIJI ALPUKAT (Persea americana Mill) SEBAGAI ADSORBEN ION KADMIUM (II) DAN TIMBAL (II) DENGAN AKTIVATOR H2SO4en_US
dc.typestudent Paper Post Degreeen_US

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