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Pengaruh Waktu dan Temperatur pada Kelarutan Mineral Kasiterit Indonesia Menggunakan Larutan HCl 15 Persen
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Lalasari, Latifa Hanum; Rahmayanti, Yosephin Dewiani; Suharyanto, Ariyo, 2018, "Pengaruh Waktu dan Temperatur pada Kelarutan Mineral Kasiterit Indonesia Menggunakan Larutan HCl 15 Persen", https://hdl.handle.net/20.500.12690/RIN/1YZT6O, RIN Dataverse, V1
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Description

Telah dilakukan percobaan kelarutan mineral kasiterit Indonesia menggunakan larutan HCl 15 persen. Kasiterit (SnO2) merupakan mineral timah yang mempunyai banyak manfaat namun masih mengandung banyak mineral pengikut. Proses pendahuluan yang banyak dilakukan untuk memisahkan mineral pengikut dari kasiterit adalah dengan pencucian dan pemisahan high magnetic separator (HTS). Percobaan ini bertujuan untuk menginvestigasi pengaruh waktu dan temperatur pada kelarutan kasiterit Indonesia menggunakan larutan asam encer dalam upaya memisahkan mineral pengikut dari kasiterit. Hasil percobaan menunjukkan bahwa larutan HCl 15 persen mampu melarutan elemen pengikut (pengotor) dari kasiterit Indonesia diantaranya silikon (Si), titanium (Ti), besi (Fe), zirkon (Zr), lantanum (La) dan cerium (Ce). Kelarutan kasiterit maksimum menggunakan HCl 15 persen adalah pada temperatur 110 oC selama 2 jam dimana mampu menurunkan elemen pengotor lebih besar dibandingkan kondisi lainnya. Kadar timah (Sn) yang berhasil ditingkatkan dalam penelitian ini adalah berkisar 68-69,56 persen dengan kandungan kasiterit (SnO2) berkisar 86,3-88,26 persen.

Prosiding Seminar Metalurgi dan Material 2015.

(2015)
Subject Chemistry
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