Spectrophotometric Determination of Piroxicam and Tenoxicam in Pharmaceutical Preparations Using Uranyl Acetate as a Chromogenic Agent

Spectrofluorimetric and Spectrophotometric Stability-Indicating Methods for Determination of Some Oxicams Using 7-Chloro-4-nitrobenz-2-oxa-1,3-diazole (NBD-Cl)

“…For Tx, different methods were reported including spectrophotometric, 6,[11][12][13] fluorimetric, [13][14][15] infrared, 16) electrochemical [17][18][19] and HPLC 8,20) methods. For Mx, spectrophotometric, 6,13,[21][22][23] fluorimetric, 13,24) electrochemical 25,26) and HPLC 8,23,27,28) methods were reported.…”

Carbon ceramic electrode incorporated with zeolite ZSM-5 for determination of Piroxicam

“…Other side effects such as headache, dizziness, skin rashes, palpitations, edema, and tinnitus are less important and infrequent [29]. Several methods have been proposed involving either spectroscopic or chromatographic techniques for the determination of Piroxicam in pharmaceuticals and biological fluids [30][31][32][33]. However, most of those methods presented insufficient sensitivity owing to the use of large biological fluid volumes or chromatographic interferences.…”

“…Several studies related with the acid-base behavior of Piroxicam have been reported in the literature [32][33][34][35][36][37]. Being a diprotic amphoteric drug with pKa values differing by less than 4 units, the deprotonation-protonation of one group affects the other depending on the pH values of the media.…”

Comparative study on two rapid and sensitive methods for quantitative determination of tenoxicam in tablets

“…Several analytical methods are described in recent literature such as mass spectrometric (McKinney et al, 2004), spectrofluorometric (Taha et al, 2002;Barary et al, 2004), potentiometric (El-Ries et al, 2003), polarographic (Atkopar and Tuncel, 1996), infrared spectrophotometric (Atay and Dincol, 1997) [7], coulometric (Nikolic et al, 1993), spectrophotometric (Amin, 2002;Garcia et al, 1999;El-Ries, 1998;Yener, Topaloglu, 1992;El Walily et al, 1997), derivative spectrophotometric (Taha et al, 2003) and high performance liquid chromatographic techniques (Hye et al, 2005;Sultan, et al, 2005;Taha et al, 2004;Bartsch et al, 2002;Abdel-Hamid, 2000;JosephCharles and Bertucat, 1999;Radhofer-Welte, Dittrich, 1998;Walily et al, 1997;Tracqui et al, 1995;Mason and Hobbs, 1995;Munera-Jaramillo, Botero-Garces, 1993;Carlucci et al, 1992;Dixon et al, 1984).…”