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ANALISIS PENINGKATAN KUALITAS PASIR TIMAH UNTUK MEMENUHI KEBUTUHAN INDUSTRI P…
Tin sand is a sand deposit containing cassiterite (SnO2) as the main mineral and several other associated minerals. The mineral found in tin ore is the main mineral called cassiterite. The processing of excavated materials so that their content or quality can be improved through jigs until they meet marketing criteria or for smelting. This study used a pan-American type jig with western operati…
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- viii, 46 hlm.; ilus.; tab.; 29 cm
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- T1839642025
STUDI ANALISIS PENURUNAN KADAR Pb PADA CRYSTALLIZER DI UNIT METALURGI PT. TIM…
Proses peleburan timah di Unit Metalurgi PT. Timah (Persero) Tbk, pada suhu 1100-150(fC akan menghasilkan Crude Tin dengan kadar Sn sebesar 99,0 %~99,99%, dan unsur pengotor berupa Fe, Pb, Sb, Ni, As dan Cu. Proses peleburan terdiri dari peleburan tahap I yang akan menghasilkan slag I dan peleburan tahap II yang akan menghasilkan slag II dan terak Timah dari hasil peleburan ini mengandung kadar…
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- xi, B-1 hlm. : ilus. ; tab. ; 28 cm
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- T1407942011
ISOLASI DAN IDENTIFIKASI SENYAWA METABOLIT SEKUNDER DARI FRAKSI POLAR DAUN PI…
The isolation and identification of compound from the polar fraction of the betel nut (Areca catechu L.) had been done. The extraction were done by maseration method, while the separation and puriflcation was conducted by chromatography techniques. The isolated compound was yellow solid. Based on TLC analysis and spectroscopic data (UV and IR) showed that the isolated compound had OH, C=0 ester…
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- xvi, 39 hlm.; ill.; tab.; 28 cm.
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- T660772013
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