Research Article

Quenching-Chemiluminescence Determination of Trace Amounts of l-Tyrosine Contained in Dietary Supplement by Chemiluminescence Reaction of an Iron-Phthalocyanine Complex

Figure 1

Absorption spectral change of Fe-PTS. [Fe-PTS]T  = 4.0 × 10−5 M, pH = 10, Signal: (1) [L-tyrosine]T  = 0 M, (2) [L-tyrosine]T  = 1.0 × 10−6 M, (3) [L-tyrosine]T = 5.0 × 10−5 M.
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