仪器型号及主要技术指标

IsoPrime：质量范围 1～70；分辨率100；绝对灵敏度850分子/离子(CO2)；分析精度(外):（d13C，d15N,d34S）0.1‰～0.3 ‰ ;（d18O）0.3‰～0.5 ‰, （dD）1‰～2 ‰

主要功能及应用

用于大气、水体、动植物、土壤、岩石等类型样品中，H、C、N、O、S元素稳定同位素分析、测定，

收费标准

连续流模式测定,硫或氧:400/件,氮或碳同位素:350/件,均不含前处理,

送样要求

样品化学成份已知，性质稳定，相关元素量应达到0.1mg以上，固体样品应研磨至400目，充分干燥，气体装样容器需有适合仪器的接驳口。

相关参考文献

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The Analyst 108, 971-977. 

Giesemann.A,Jager .H. J,Noman.A.L. et al.On-ling sulfur-isotope determination using an elemental analyzer coupled to a mass spectrometer

[J].Anal Chem,1994,66:2816-2819

Koziet, J., 1997. Isotope ratio mass spectrometric method for the on-line determination of oxygen-18 in organic matter. 

J. Mass.Spectrom. 32, 103– 108.

N. V. Grassineau,* D. P. Mattey, and D. Lowry, Sulfur Isotope Analysis of Sulfide and Sulfate Minerals by Continuous Flow-Isotope Ratio Mass Spectrometry,

Anal. Chem. 2001, 73, 220-225

Nathalie V. Grassineau,High-precision EA-IRMS analysis of S and C isotopes in geological materials

Applied Geochemistry 21 (2006) 756–765