Development of an In-Situ Mass Spectrometer for Stable Isotope Analysis

2003 ◽  
Author(s):  
R. T. Short ◽  
Gottfried P. Kibelka ◽  
Robert H. Byrne ◽  
David Hollander
Keyword(s):  
Stable Isotope ◽  
Mass Spectrometer ◽  
Stable Isotope Analysis ◽  
Isotope Analysis

A flow-through reaction cell that couples time-resolved X-ray diffraction with stable isotope analysis

2011 ◽  
Vol 44 (2) ◽  
pp. 429-432 ◽  
Author(s):  
Andrew J. Wall ◽  
Peter J. Heaney ◽  
Ryan Mathur ◽  
Jeffrey E. Post ◽  
Jonathan C. Hanson ◽  
...  
Keyword(s):  
Stable Isotope ◽  
Stable Isotope Analysis ◽  
Isotope Fractionation ◽  
Isotope Analysis ◽  
X Ray Diffraction ◽  
Reaction Cell ◽  
Time Resolved ◽  
X Ray ◽  
Flow Through

A non-metallic flow-through reaction cell is described, designed forin situtime-resolved X-ray diffraction coupled with stable isotope analysis. The experimental setup allows the correlation of Cu isotope fractionation with changes in crystal structure during copper sulfide dissolution. This flow-through cell can be applied to many classes of fluid–mineral reactions that involve dissolution or ion exchange.

Characterizing the Distribution of Methane Sources and Cycling in the Deep Sea via in Situ Stable Isotope Analysis

2013 ◽  
Vol 47 (3) ◽  
pp. 1478-1486 ◽  
Author(s):  
Scott D. Wankel ◽  
Yi-wen Huang ◽  
Manish Gupta ◽  
Robert Provencal ◽  
J. Brian Leen ◽  
...  
Keyword(s):  
Stable Isotope ◽  
Stable Isotope Analysis ◽  
Deep Sea ◽  
Isotope Analysis

scholarly journals Integrating Continuous-Flow Mass Spectrometry and Automatic CO2 Collection for AMS

Radiocarbon ◽  
2007 ◽  
Vol 49 (2) ◽  
pp. 233-244 ◽  
Author(s):  
Jesper Olsen ◽  
Jan Heinemeier ◽  
Klaus Bahner ◽  
Barry Graney ◽  
Andy Phillips
Keyword(s):  
Mass Spectrometry ◽  
Stable Isotope ◽  
High Precision ◽  
Mass Spectrometer ◽  
Stable Isotope Analysis ◽  
Computer Control ◽  
Isotope Analysis ◽  
Carbon And Nitrogen ◽  
Cryogenic Trapping ◽  
Inlet Manifold

Accelerator mass spectrometry (AMS) radiocarbon measurements of organic samples require combustion to obtain CO2 for graphitization. Furthermore, determination of δ13C values is required in order to correct the 14C age due to carbon isotope fractionation effects. δ13C analysis is commonly carried out by stable isotope mass spectrometry because most applications demand high-precision δ13C values in addition to the requirements of 14C dating. A simplifying step is therefore to combine the combustion for stable isotope analysis with cryogenic trapping of CO2 for AMS graphite targets. Presented here is a simple CO2 trapping device based on a modified Gilson 220XL sampling (manifold) robot coupled to the inlet manifold system of a GV Instruments IsoPrime stable isotope mass spectrometer. The system is capable of batch combustion and analysis of up to 40 samples and is under full computer control by the mass spectrometer software. All trapping parameters such as flush time prior to trapping and total trap time are adjustable through the standard software user interface. A low 14C activity of background materials and high precision and accuracy of stable isotope analysis of carbon and nitrogen are demonstrated.

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