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.