Fluorescence Spectrometric Determination of Drugs Containing 𝜶-Methylene Sulfone/Sulfonamide Functional Groups Using N¹-Methylnicotinamide Chloride as a Fluorogenic Agent

Table 2

Regression analysis parameters for the determination of 1–4 in standard solutions using the proposed method.

Drug	Linearity range	Slope		Intercept		𝑅^2
		Mean	SE	Mean	SE
1	1–150 μg/mL	4.9890	0.011	105.66	2.15	0.9997
2	10–1000 ng/mL	0.8579	0.010	131.84	1.60	0.9998
3	1–1800 ng/mL	0.5130	0.003	72.63	1.10	0.9995
4	30–2100 ng/mL	0.4155	0.005	113.20	2.78	0.9999

Average of triplicate analyses, 13 data points.