Methods Concentration range μg/mL Literatures HPLC and HPTLC 5 – 60 [10] Synchronous Fluorescence Spectroscopy 0.05–1.0 [41] Electrochemiluminescence 0.034 – 34.14 [24] HPLC Spectrophotometry 0.034 – 110 2 – 16 The present work

Table 5: Comparison of linear range for SUL with different classical methods and the present methods.

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