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18.909  Articles
1 of 1.892 pages  |  10  records  |  more records»
A simple and express method for the quantitative determination of zopiclone in model solutions of the substance and in “Zopiclone” tablets, 7.5 mg, by the kinetic-spectrophotometric method according to 3,3’,5,5’-tetramethylbenzidine oxidation has been dev... see more

A simple and express method for the quantitative determination of zopiclone in model solutions of the substance and in “Zopiclone” tablets, 7.5 mg, by the kinetic-spectrophotometric method according to 3,3’,5,5’-tetramethylbenzidine oxidation has been dev... see more

A simple, cost effective, highly sensitive and rapid kinetic spectrophotometric method was developed for hydrazines by using Thiophene-3-carboxaldehyde (3-Thienaldehyde) and 3-Butenone (E)-1,1,1-trifluoro-4-(3-thienyl) (CF3 enone). CF3 enone was prepared ... see more

The objective of this research is to develop a simple, sensitive and validated kinetic spectrophotometric method for the determination of nortriptyline hydrochloride in pure and pharmaceutical formulations. The method is based on derivatization of drug wi... see more

The kinetics of aluminium(III) and chromium(III) adsorption in an adsorbent prepared by immobilization of Chaetoceros calcitrans biomass on silica ge has been investigated. The functional groups which were probable involved in the adsorption processes als... see more

Novel analytical study was performed in order to develop and validate new high-throughput microwell-based spectrophotometric assays for determination of omeprazole (OMZ) in its pharmaceutical formulations. The proposed assays were based on the charge-tran... see more

The optimal conditions for the microextraction separation, preconcentration and spectrophotometric determination of sodium dodecyl sulfate (SDS) as an its ion associate (IA) with Quinaldine Red (QR) have been studied. Was tested a large number of organic ... see more

1 of 1.892 pages  |  10  records  |  more records»