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

Table 6

Results of the recovery experiments of 1–4 in different pharmaceutical preparations.

Drug	Pharmaceutical preparations	%Recovery±SD *
1	(MSM) 1000 mg tablet	101±2.0%
2	(Protozol) 500 mg tablet	101±1.6%
	(Fasigyn) 500 mg tablet	98±2.5%
3	(Romacox) 25 mg tablet	103±0.7%
4	(Nimalox) 100 mg tablet	102.2±3.0%
	(Sulide) 100 mg tablet	101.6±3.6%
	(Sulide) 50 mg tablet	99.9±1.8%
	(Sulidan) 100 mg tablet	101.6±3.2%

*Average of triplicate analyses.