scholarly journals Compound-specific chlorine isotope fractionation in biodegradation of atrazine

2020 ◽  
Vol 22 (3) ◽  
pp. 792-801 ◽  
Author(s):  
Christina Lihl ◽  
Benjamin Heckel ◽  
Anna Grzybkowska ◽  
Agnieszka Dybala-Defratyka ◽  
Violaine Ponsin ◽  
...  
Keyword(s):  
Isotope Ratio ◽  
Isotope Fractionation ◽  
Degradation Pathways ◽  
Ratio Analysis ◽  
Chlorine Isotope ◽  
Isotope Ratio Analysis ◽  
Insight Into

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.

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

2022 ◽  
Author(s):  
Da Wang ◽  
Richard Carlson
Keyword(s):  
Solar System ◽  
Extraction Chromatography ◽  
Isotope Ratio ◽  
Isotope Fractionation ◽  
Ratio Analysis ◽  
Nd Isotope ◽  
Planetary Differentiation ◽  
Isotope Ratio Analysis ◽  
Isotope System ◽  
Column Extraction

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...

Isotope ratio analysis of carbon and nitrogen by elemental analyser continuous flow isotope ratio mass spectrometry (EA-CF-IRMS) without the use of a reference gas

2015 ◽  
Vol 30 (1) ◽  
pp. 310-314 ◽  
Author(s):  
L. J. Bay ◽  
S. H. Chan ◽  
T. Walczyk
Keyword(s):  
Mass Spectrometry ◽  
Continuous Flow ◽  
Isotope Ratio ◽  
Isotope Fractionation ◽  
Isotope Ratio Mass Spectrometry ◽  
Nitrogen Isotope ◽  
Ratio Analysis ◽  
New Approach ◽  
Carbon And Nitrogen ◽  
Isotope Ratio Analysis

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.

scholarly journals Characterisation and attempted differentiation of European and extra-European olive oils using stable isotope ratio analysis

2019 ◽  
Vol 276 ◽  
pp. 782-789 ◽  
Author(s):  
Luana Bontempo ◽  
Mauro Paolini ◽  
Pietro Franceschi ◽  
Luca Ziller ◽  
Diego L. García-González ◽  
...  
Keyword(s):  
Stable Isotope ◽  
Isotope Ratio ◽  
Stable Isotope Ratio ◽  
Ratio Analysis ◽  
Olive Oils ◽  
Isotope Ratio Analysis ◽  
Stable Isotope Ratio Analysis
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