Direct Quantification of Oxalic Acid at Moderate-to-High Concentrations by Micro-Raman Spectroscopy: Analytical Performance and Electronic Structure Insights from NBO–AIM Analysis
1. Introduction Since oxalic acid (H 2C 2O 4) is widely common in industrial and environmental applications, its accurate quantitation remains a pillar of modern analytical chemistry. This dicarboxylic acid is important...
