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<http://eprints.uny.ac.id/id/eprint/15907> <http://purl.org/dc/terms/title> "SINTESIS DAN KARAKTERISASI SnO2 DARI LOGAM TIMAH (Sn) HASIL OLAHAN BIJIH TIMAH PUTIH BANGKA"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://eprints.uny.ac.id/id/eprint/15907> <http://purl.org/ontology/bibo/abstract> "Penelitian ini bertujuan untuk mengetahui metode sintesis SnO2 dari logam timah (Sn) hasil olahan bijih timah putih Bangka dan mengetahui karakter SnO2 hasil sintesis berdasarkan Spektroskopi Inframerah (IR), Difraksi Sinar-X (XRD), Mikroskopi Pemindai Elektron (SEM) dan Analisis Luas Permukaan (SAA). \r\nSintesis dilakukan dengan cara melarutkan logam timah (Sn) berturut-turut dengan HCl pekat dan NH4OH pekat hingga terbentuk endapan putih pada pH 10. Endapan dikarakterisasi dengan Spektroskopi Inframerah (IR), Difraksi Sinar-X (XRD), Mikroskopi Pemindai Elektron (SEM) dan analisis luas permukaan.\r\nSpektra Inframerah (IR) menunjukkan serapan Sn-O pada daerah 580,44 cm-1 untuk sampel 1 dan 617,38 cm-1 untuk sampel 2, pola difraksi sinar-X (XRD) mengindikasikan senyawa SnO2 termasuk dalam kelompok ruang P42 /mnm tetragonal dengan parameter kisi Z = 2 dan a = b = 4,7338 (2) Å serta c = 3,1842 (3) Å, mikrograf Pemindai Elektron (SEM) menunjukkan partikel oksida SnO2 berbentuk bulat telur dan dengan luas muka spesifik sebesar 12,206514 m2/g, volume pori total sebesar 20,672380 10-03 cc/g, dan jari-jari pori rerata sebesar 33,871063 Å."^^<http://www.w3.org/2001/XMLSchema#string> .
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