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of synthetic rutile from high Ca and Mg type titanium slag by mineral phase reconstruction process DONG Hai-gang1, 2, GUO Yu-feng1, JIANG Tao1, CHEN Jia-lin2, FAN Xing-xiang2 (1...-platinum Metals Co., Ltd., Kunming 650106, China) Abstract: Study on the production of synthetic rutile from high Ca and Mg type titanium slag by adding Na2CO3 roasting for mineral phase......
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Mechanical Activation of Alkaline Leaching ofScheelite Concentrate李运姣,李洪桂,刘茂盛,孙培梅摘 要:1IntroductionChinaiswelknownasatungstencapitaloftheworldduetoitstungstenreserveofmorethanahalfofthetotalinalovertheworld.In...关键词:......
concentrate WU Biao(武彪)1, 2, 3, 4, SHANG He(尚鹤)1, 2, 3, 4, WEN Jian-kang(温建康)1, 2, 4, LIU Mei-lin(刘美林)1, 2, 4, ZHANG Qi-dong(张其东)1, 2, CUI Xing-lan(崔兴兰)1, 2 1. National Engineering Laboratory... refractory gold concentrate with 41.82% sulfur and 15.12 g/t gold, of which 82.11% was wrapped in sulfide, a well-controlled stirring tank leaching was carried out to improve the bio-oxidation......
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原子荧光光谱法检测铜精矿中汞的不确定度评估陈广志1,苏明跃2,杨丽飞3,姚传刚2(1.天津市天津出入境检验检疫局 2.天津出入境检验检疫局,天津 3004563.天津出入境检验检疫局,天津 300456)摘 要:依据不确定度评定的相关准则和标准,评估了原子荧光光谱法检测铜精矿中汞的不确定度.应用统计学理论对不确定度产生的原因进行了分析;对测定过程中的主要不确定度分量进行了合理的评定,包括测量重复性引入的不确定度,样品称量引入的不确定度,样品溶液定容和稀释引入的不确定度,校准曲线引入的不确定度等;描述了评定不确度......
Decomposition Reaction of Mixed Rare Earth Concentrate and Roasted with CaO and NaCl Chen Xudong1,Sun Shuchen1,HU Guangyong1,Wu Wenyuan1,Tu Ganfeng1 (1.School of Material and Metallurgy, Northeastern University, Shenyang 110004, China) Abstract:The reaction of the mixed rare earth concentrate including monazite ( REPO4 ) and bastnaesite ( REFCO3 )decomposed by CaO and NaCl additives......