Discussion blank of nitrate during isotopic analysis of oxygen and nitrogen by the ion exchange method

Key Points

• Key challenges arise when analyzing nitrate during isotopic analysis, leading to potential inaccuracies.
• Significant variability was noted in isotopic ratios under varying conditions, impacting results.
• This analysis utilizes the ion exchange method to study the isotopes of nitrogen and oxygen specifically.
• This investigation highlights the need for improved methods to enhance accuracy in isotopic analyses.