International Journal of Analytical Chemistry / 2020 / Article / Fig 8

Research Article

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

Figure 8

Standard curve for glyoxylic acid and optical absorption in relation to glyoxylic acid concentration at optimized conditions, 0.6 mL tryptophan 0.016 M, 2 mL ferric chloride 0.025 M, and 5 mL concentrated sulphuric acid.

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