Vacuum Apparatus to Concentrate Ammonium Solutions for Nitrogen Isotope-Ratio Analysis

1989 ◽  
Vol 53 (3) ◽  
pp. 763-768 ◽  
Author(s):  
K. R. Kelley
1990 ◽  
Vol 61 (2) ◽  
pp. 897-903 ◽  
Author(s):  
R. L. Mulvaney ◽  
C. L. Fohringer ◽  
V. J. Bojan ◽  
M. M. Michlik ◽  
L. F. Herzog

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.


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