岩矿测试2011，Vol.30Issue(4)：440-445,6.
敞口酸溶-电感耦合等离子体质谱法同时测定地质样品中45个元素
Determination of Elemental Content in Geological Samples by One-Time Acid Dissolution and Inductively Coupled Plasma-Mass Spectrometry
王君玉 1吴葆存 2李志伟 1韩敏 2钟莅湘1
作者信息
- 1. 河南省岩石矿物测试中心,河南郑州450012
- 2. 河南省金属矿产成矿地质过程与资源利用重点实验室,河南郑州450012
- 折叠
摘要
Abstract
The methods of HC1-HNO3-HF and HC1-HNO3-HF-HC1O4 were improved to overcome the incomplete decomposition of refractory elements and bad replication results of volatile elements. A new analysis method has been developed for 15 rare earth elements and common trace elements by ore dissolution and determination. Analytical quality and efficiency have been greatly improved. Geological samples were dissolved with mixed acids of HC1-HNO3-HF-HC1O4-H2SO4 in 30 Ml teflon crucible on a hot plate. The salts were dissolved and extracted by 50% reverse aqua regia and diluted to constant volume. 45 elements in the samples were determined simultaneously by ICP-MS with 10 ng/Ml Rh as the internal standard and three on-line injections. The effect of volatile elements are discussed in detail for the decomposition method. The certified reference material of rock (GBW07106) , stream sediment (GBW07303) and soil (GBW07429) were analyzed to test the method. Results are in good agreement with certified values. Standard deviations of the method are 0.03% -4.97%. This method is rapid, simple and practical with high precision.关键词
敞口酸溶/电感耦合等离子体质谱法/地质样品/元素测定Key words
opening acid dissolution/ inductively coupled plasma-mass spectrometry/ geological samples/ element determination引用本文复制引用
王君玉,吴葆存,李志伟,韩敏,钟莅湘..敞口酸溶-电感耦合等离子体质谱法同时测定地质样品中45个元素[J].岩矿测试,2011,30(4):440-445,6.
