Figure 1. Calibration curves obtained for 0 – 100 ppm a) malic and b) fumaric acid standards

From

An Inquiry-Based Experiment Exploring the Theory Behind HPLC Quantification

Shaeen Chetty, Su-Ané Greyling, Letitia Pillay

World Journal of Chemical Education. 2024, 12(4), 81-86 doi:10.12691/wjce-12-4-2