A tandem-column extraction chromatography for Nd separation: minimizing mass-independent isotope fractionation for ultrahigh-precision Nd isotope-ratio analysis

Author(s):  
Da Wang ◽  
Richard Carlson

The short-lived 146Sm-142Nd isotope system traces key early planetary differentiation processes that occurred during the first 500 million-years of solar system history. The variations of 142Nd/144Nd in terrestrial samples, typically...

2015 ◽  
Vol 30 (1) ◽  
pp. 310-314 ◽  
Author(s):  
L. J. Bay ◽  
S. H. Chan ◽  
T. Walczyk

A new approach to normalize carbon and nitrogen isotope ratios measured by EA-CF-IRMS without using a reference gas for correction of instrumental drifts and instrumental isotope fractionation.


2020 ◽  
Vol 22 (3) ◽  
pp. 792-801 ◽  
Author(s):  
Christina Lihl ◽  
Benjamin Heckel ◽  
Anna Grzybkowska ◽  
Agnieszka Dybala-Defratyka ◽  
Violaine Ponsin ◽  
...  

Atrazine is a frequently detected groundwater contaminant. Isotope ratio analysis of three elements (C, N, Cl) provide enhanced insight into its degradation pathways and hold promise for a better source distinction in the field.


2019 ◽  
Vol 276 ◽  
pp. 782-789 ◽  
Author(s):  
Luana Bontempo ◽  
Mauro Paolini ◽  
Pietro Franceschi ◽  
Luca Ziller ◽  
Diego L. García-González ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document