<mets:mets xsi:schemaLocation="http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-3.xsd" OBJID="eprint_43801" LABEL="Eprints Item" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mets="http://www.loc.gov/METS/"><mets:metsHdr CREATEDATE="2026-06-11T18:50:09Z"><mets:agent TYPE="ORGANIZATION" ROLE="CUSTODIAN"><mets:name>Repository Universitas Negeri Padang</mets:name></mets:agent></mets:metsHdr><mets:dmdSec ID="DMD_eprint_43801_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:titleInfo><mods:title>Penentuan Kadar Perak (Ag) dalam Batuan Termineralisasi Menggunakan Metode Ekstraksi Pelarut Kelat Ditizon dengan Variasi pH dan Waktu di Wilayah Tambang Galian Rakyat Bukit Gunjo Jorong Tanjung Bungo Kec. Bonjol Kab. Pasaman</mods:title></mods:titleInfo><mods:name type="personal"><mods:namePart type="given">Taufik</mods:namePart><mods:namePart type="family">Hidayat</mods:namePart><mods:role><mods:roleTerm type="text">author</mods:roleTerm></mods:role></mods:name><mods:abstract>Telah dilakukan penelitian tentang penentuan kadar perak (Ag) dalam batuan&#13;
termineralisasi menggunakan metode ekstraksi pelarut kelat ditizon dengan variasi&#13;
pH dan waktu di wilayah tambang galian rakyat Bukit Gunjo Jorong Tanjung Bungo&#13;
Kecamatan Bonjol Kabupaten Pasaman.&#13;
Penelitian ini bertujuan untuk menentukan pH dan waktu optimum dalam&#13;
pengektraksian logam perak serta dapat menentukan kadar perak pada batuan&#13;
percontoh terpilih di daerah itu. Penelitian ini menggunakan metoda ekstraksi pelarut&#13;
menggunakan HCl-HNOз pekat (3:1).&#13;
Hasil penelitian menunjukan pH optimum berada pada pH 3, dan waktu optimum&#13;
berada pada waktu 10 menit dan di dapat kadar recovery logam perak dengan metoda&#13;
ekstraksi sebesar 0,2573; 0,2119; 0,2270; 0,1846 ppm. Sedangkan untuk hasil dengan&#13;
metoda langsung 0,1029; 0,1059; 0,1090; 0.0636 ppm. Dapat disimpulkan dengan&#13;
metoda ekstraksi recovery logam perak lebih tinggi 2,3 kali dibandingkan metoda&#13;
langsung.</mods:abstract><mods:classification authority="lcc">TN Mining engineering. Metallurgy</mods:classification><mods:originInfo><mods:dateIssued encoding="iso8601">2014-01</mods:dateIssued></mods:originInfo><mods:originInfo><mods:publisher>Universitas Negeri Padang;Teknik Pertambangan FT UNP</mods:publisher></mods:originInfo><mods:genre>Thesis</mods:genre></mets:xmlData></mets:mdWrap></mets:dmdSec><mets:amdSec ID="TMD_eprint_43801"><mets:rightsMD ID="rights_eprint_43801_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:useAndReproduction>
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    </mods:useAndReproduction></mets:xmlData></mets:mdWrap></mets:rightsMD></mets:amdSec><mets:fileSec><mets:fileGrp USE="reference"><mets:file OWNERID="https://repository.unp.ac.id/id/eprint/43801/1/final_B1_14_TAUFIK_HIDAYAT_1108150_1159_2014.pdf" ID="eprint_43801_87677_1" SIZE="760908" MIMETYPE="application/pdf"><mets:FLocat LOCTYPE="URL" xlink:href="https://repository.unp.ac.id/id/eprint/43801/1/final_B1_14_TAUFIK_HIDAYAT_1108150_1159_2014.pdf" xlink:type="simple"></mets:FLocat></mets:file></mets:fileGrp></mets:fileSec><mets:structMap><mets:div ADMID="TMD_eprint_43801" DMDID="DMD_eprint_43801_mods"><mets:fptr FILEID="eprint_43801_document_87677_1"></mets:fptr></mets:div></mets:structMap></mets:mets>