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ZIRCON U Pb AGE OF META BASIC LAVA FROM THE KUANPING ROCK GROUP,SHAANXI PROVICE 陕西宽坪岩群变基性熔岩锆石U-Pb年龄
LA - ICP - MS U - Pb dating LA-ICP-MSU-Pb定年
It intruded in Upper Ordovician Shifeng Formation and is dated as 333 86Ma of U Pb concordant age of zircon, which belongs to middle stage of Variscan. 岩体侵入上奥陶统石缝组（O3s），岩体的锆石U?Pb 一致线年龄333－86 Ma，属华力西中期。
Very low concentration of Co, Cu, Cd, Ba, Mn, Ni, Pb in water samples at Larsemann Hills and East Antarctic was determined by off line preconentration with chelating cation exchange resin D401 coupled with ICP MS. 采用脱线螯合阳离子树脂 (D40 1 )将待分析元素预富集并与基体元素分离 ,采用电感耦合等离子体质谱法 (ICP MS)测定了南极拉斯曼丘陵地区环境水样中的难于或不能直接检测的超痕量元素Mn ,Co ,Ni,Cu ,Cd ,Ba和Pb ;
Methods:Using inductively coupled plasma mass spectrometer (ICP MS)and inductively coupled plasma atomic emission spectrometer (ICP AES)to examine changes of La 3+ ,Ce 3+ ,Pr 3+ ,Nd 3+ and Calcium contents. 方法 :采用电感耦合等离子体质谱法和电感耦合等离子体原子发射光谱法分别检测孕鼠和胎鼠肝中镧 ( La3 + )、铈 ( Ce3 + )、镨 ( Pr3 + )、钕 ( Nd3 + )和钙含量变化。
Minerals or altered minerals such as sericite, biotite and K feldspar in the altered wallrocks are selected to be objects of age determination, and the Ar Ar, K Ar, Rb Sr, U Pb isochron dating methods are adopted. 选用矿石或蚀变围岩中的绢云母、黑云母、钾长石等蚀变矿物作为测年对象 ,采用 Ar- Ar、 K- Ar法或 Rb- Sr等时线法测年在目前的技术条件下是经济可行的 ,关键是要保证被测矿物确为蚀变矿物并且纯度较高。用 U- Pb法测定矿脉中的水热锆石来确定成矿年龄 ,但如何区分继承锆石和水热锆石尚不成熟。
Semiquantitative estimation of all elements in shark cartilage was investigated by inductively coupled plasma mass spectrometry(ICP MS). 用电感耦合等离子体质谱（ICP－MS）对鲨鱼软骨进行全元素的半定量分析。
The manganese,lead and copper in distilled spirit were determined by inductively coupled plasma mass spectrometry (ICP MS) with standard additions. 在ICP-MS基础上用标准加入法对白酒中的锰、铅、铜进行了定量测定。
U - Pb dating of zircon 锆石U-Pb定年
Contents of some transitive metals of the sediments of Core NS93 5 from Nansha Islands, South China Sea, are measured by inductively coupled plasma mass spectrometry (ICP MS). 利用电感耦合等离子体质谱(ICP-MS)法分析了取自南沙南部陆坡的NS93-5钻孔沉积物的部分过渡金属元素含量的变化。
zircon SHRIMP U - Pb dating 锆石SHRIMP
In this paper the progress in application of ICP MS in metallurgical analysis is introduced. T he dissolution and pre separation metho d,sampling techniques,interference and correction methods are emphasiz ed. 评述了电感耦合等离子体质谱法 (ICP MS)在冶金分析领域中的现状和进展 ,着重介绍样品的分解分离方法、进样方法、干扰及校正方法等 ,展望了ICP MS在冶金分析中的应用前景。
Keywords ICP MS;Dysprosium;Non RE impurities; 金属镝;非稀土杂质;
Li Huimin, Li Huaikun, Lu Songnian.Ore forming age of the Dongping gold ore: The U - Pb zircon dating of the hydrothermal zircon in the ore vein[J].Journal of Earth, 1997, 18(Sup. ) : 176 - 178. [6]李惠民;李怀坤;陆松年.;用矿脉中热液锆石的U-Pb定年确定东坪金矿的成矿时代[J]地球学报;1997;18(增刊):176-178
zircon U - Pb age 锆石U-Pb年龄
zircon U - Pb geochronology 锆石U-Pb年代学
single zircon U - Pb ages 颗粒锆石U-Pb年龄
SHRIMP zircon U -Pb dating SHRIMP锆石U-Ph定年
Study on multi element determination in drinking water by ICP OES and ICP MS 电感耦合等离子体光谱和质谱法用于饮水中多元素分析的研究
Keywords REEs impurity;ICP MS;Dysprosium oxide;Extraction chromatography;P 507; 稀土杂质;感耦等离子体质谱;氧化镝;萃取色层;P_（50）;