岩矿测试2017，Vol.36Issue(1)：52-58,7.DOI:10.15898/j.cnki.11-2131/td.2017.01.008
过氧化钠碱熔-电感耦合等离子体发射光谱法测定多金属矿中的锡钨钛等主次量成分
Determination of Sn, W, Ti and Other Elements in Polymetallic Ore by Inductively Coupled Plasma-Optical Emission Spectrometry with Sodium Peroxide Fusion
摘要
Abstract
For tin, tungsten, titanium and other elements not easily digested by acid, a suitable sample preparation method combined with Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES) can help to improve the accuracy and efficiency.Polymetallic ore samples were melted with Na2O2 and then extracted by mixed leaching solution (hydrochloric acid-tartaric acid-hydrogen peroxide).15 major and minor elements including Cu, Pb, Zn, Sn, W and Ti were determined by ICP-OES using an internal standard method.The analytical lines of analyzed elements and the correction mode of the background were optimized.The effect of crucible contamination, solvent, Al and internal standard element on the results were systematically studied.The method has detection limits of 7-995 μg/g, recoveries of 90.3%-105.0% (in Table 4), and relative standard deviations (RSD, n=12) of 0.8%-6.6% (in Table 3) by the standard addition method.For five different types of polymetallic ores, the method has a wide test range (40 μg/g to 25%).关键词
多金属矿/锡钨钛/过氧化钠碱熔/电感耦合等离子体发射光谱法/内标法Key words
polymetallic ore/Sn-W-Ti/sodium peroxide fusion/Inductively Coupled Plasma-Optical Emission Spectrometry/internal method分类
化学化工引用本文复制引用
王小强,夏辉,秦九红,王书勤,杨惠玲,宋志敏,杜天军..过氧化钠碱熔-电感耦合等离子体发射光谱法测定多金属矿中的锡钨钛等主次量成分[J].岩矿测试,2017,36(1):52-58,7.基金项目
河南省2016年度"两权价款"地质科研项目(豫招2015-1992-3) （豫招2015-1992-3）
