Abstract
An ion chromatograph equipped with an anion exchange column was used to study the analytical methods for total halides and formic acid in hydrogen fuel. An automatic sampling method was established and compared with the manual injection method. A good linear relationship was observed between the peak area and concentration (r2 = 0.999), with a relative standard deviation (RSD) of less than 3% and a detection limit of the instrument at 0.01 mg/L. The experimental results indicate that this method has excellent repeatability and high sensitivity, enabling fully automatic analysis of total halides and formic acid content in hydrogen energy. This provides a fully automatic online analysis solution for the quality of hydrogen energy in the upstream, midstream, and downstream sectors.
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