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

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dc.contributor.authorDewi, Nur Oktri Mulya
dc.contributor.authorItnawita
dc.contributor.authorKartika, Ganis Fia
dc.date.accessioned2016-05-02T04:55:43Z
dc.date.available2016-05-02T04:55:43Z
dc.date.issued2016-05-02
dc.description.abstractAvocado seeds was investigated as adsorbent in powder form and activated with variation of sulfuric acid concentration 2.5, 5.0 and 7.5%. The characterization result showed that activation of avocado seeds powder with sulfuric acid concentration 7.5% have characteristic 13.82% of moisture contain, 0.06% of ash content, 530.6693 mg/g of iodine adsorption and 87.5253 m2/g of surface area. Avocado seeds powder were contacted in variation of concentration cadmium and lead solution for 24 hours and analyzed with Atomic Absorption of Spectrophotometer with efficiency of adsorption were 85.78% and 93.88% respectively. The presence of functional groups like carbonyl in avocado seed have important role for the adsorption process and confirmed by FTIR Spectroscopyen_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/123456789/8349
dc.language.isoenen_US
dc.subjectavocado seeden_US
dc.subjectadsorptionen_US
dc.subjectsulfuric aciden_US
dc.titlePOTENSI BUBUK 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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