International Journal of Analytical Chemistry / 2020 / Article / Fig 7

Research Article

A Simple Spectrophotometric Method for Determination of Glyoxylic Acid in Its Synthesis Mixture

Figure 7

Optical absorption versus volume of tryptophan 0.016 M solution in the reagent at 0.25 mL glyoxylic acid 0.028 M, 2 mL ferric chloride 0.025 M, and 5 mL concentrated sulfuric acid.

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.