生 产 厂 家: | Gvinstruments(Elementar) |
仪器管理员: | 安宁 |
电 话: | 13984311501 |
邮 箱: | anning@mail.gyig.ac.cn |
安 放 地 点: | A2-128 |
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
Preston, T. and Owens, N.J.P. 1983. Interfacing an Automatic Elemental Analyser with an Isotope Ratio Mass Spectrometer: The Potential for Fully Automated Total Nitrogen and Nitrogen-15 Analysis.
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