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Simultaneous Determination of Albendazole and Praziquantel by Second Derivative Spectrophotometry and Multivariated Calibration Methods in Veterinary Pharmaceutical Formulation
Simultaneous Determination of Albendazole Praziquantel Multivariated Calibration Methods Veterinary Pharmaceutical Formulation
2010/9/15
The simultaneous determination of albendazole (ABZ) and praziquantel (PZQ) was performed by different mathematical approaches: second derivative spectrophotometry (SDS), classical least squares, regre...
Second Derivative Synchronous Fluorescence Spectroscopy for the Simultaneous Determination of Chlorzoxazone and Ibuprofen in Pharmaceutical Preparations and Biological Fluids
chlorzoxazone ibuprofen synchronous fluorimetry pharmaceutical preparations and biological fluids
2009/10/30
A rapid, simple and highly sensitive second derivative synchronous fluorometric method has been developed for the simultaneous analysis of binary mixture of chlorzoxazone (CLZ) and ibuprofen (IP). The...
First- and Second-Derivative Spectrophotometry for Simultaneous Determination of Copper and Cobalt by 1-(2-Pyridylazo)-2-naphthol in Tween 80 Micellar Solutions
Copper Cobalt PAN Simultaneous Derivative spectrophotometry
2010/4/19
1-(2-Pyridylazo)-2-naphthol (PAN) has been used for the simultaneous determination of copper and cobalt at trace levels. PAN at pH 1.89 forms red and green complexes with copper and cobalt, respective...
The Simultaneous Determination of Quinoline Yellow (E-104) and Sunset Yellow (E-110) in Syrups and Tablets by Second Derivative Spectrophotometry
Dyes derivative spectrophotometry pharmaceutical products Sunset Yellow Quinoline Yellow
2010/4/22
A very simple spectrophotometric method using measurements at zero-crossing wavelength is described for resolving binary mixtures of the food dyes, Sunset Yellow (E-110) and Quinoline Yellow (E-104). ...
Use and Limitations of Second-Derivative Diffuse Reflectance Spectroscopy in the Visible to Near-Infrared Range to Identify and Quantify Fe Oxide Minerals in Soils
Crystal Field Bands Diffuse Reflectance Spectroscopy Goethite Hematite Intervalence Charge Transfer Iron Oxides Magnetite
2011/12/8
Abstract: We measured the visible to near-infrared (IR) spectra of 176 synthetic and natural samples of Fe oxides, oxyhydroxides and an oxyhydroxysulfate (here collectively called “Fe oxides”), and of...