Results 1 to 10 of about 48,569 (262)

Spectrophotometric determination of L-α-glycerylphosphorylcholine in pharmaceutical formulations and industrial equipment cleaning rinse water with the WAKO Phospholipids C assay kit [PDF]

open access: yesPeerJ Analytical Chemistry, 2023
A simple spectrophotometric method for the determination of L-α-glycerylphosphorylcholine in pharmaceutical formulations and industrial equipment cleaning rinse water using the enzyme glycerophosphocholine phosphodiesterase and the WAKO Phospholipids C ...
Pavel Anatolyevich Nikolaychuk
doaj   +2 more sources

Spectrophotometric Determination of Atorvastatin Based on Charge Transfer Reaction with Quinalizarin

open access: yesCumhuriyet Science Journal, 2023
An easy and economical spectrophotometric method has been developed for the determination of atorvastatin from tablet formulation. This method is based on the formation of a blue-colored charge transfer complex of Atorvastatin with quinalizarin in ...
Fatih Yiğit   +4 more
doaj   +1 more source

A rapid spectrophotometric determination of imidacloprid in selected commercial formulations in the presence of 6-chloronicotinic acid [PDF]

open access: yesJournal of the Serbian Chemical Society, 2009
A simple first-order derivative spectrophotometric method was developed for the simultaneous determination of imidacloprid and 6-chloronicotinic acid (6-CNA).
Guzsvány Valéria J.   +5 more
doaj   +3 more sources

Pyridylazo Compounds As Analytical Reagents: A Review [PDF]

open access: yesمجلة جامعة النجاح للأبحاث العلوم الطبيعية, 1987
A large number of 2-pyridylazo compounds have been proposed as reagents for the spectrophotometric determination of several metal ions. The application of 2-pyridylazo compounds for the determination of many metal ions is listed and several procedures ...
Ali Abu Zuhri‎‏
doaj   +1 more source

Simultaneous Determination of Xipamide and Triamterene by First Derivative, Ratio Difference, and Derivative Ratio Spectrophotometric Methods

open access: yesArchives of Pharmaceutical Sciences Ain Shams University, 2021
Validated, rapid and sensitive spectrophotometric techniques were established for simultaneous determination of Xipamide and Triamterene. The first technique based on determination of Triamterene with zero-crossing of Xipamide using zero order method at ...
Nermin Victor   +3 more
doaj   +1 more source

Spectrophotometric Determination of Tetracycline, in pharmaceutical formulations by oxidative coupling [PDF]

open access: yesKirkuk Journal of Science, 2016
This research includes the development of spectrophotometric method for determination of Tetracycline via oxidative coupling with the N,N-Diethyl-p-phenylene diamine reagent in presence of oxidizing agentN-Bromosuccinimide in the alkaline medium ...
Mohammed Salim Abdul Aziz   +2 more
doaj   +1 more source

Spectrophotometric Determination of Microgram Amounts of Aliphatic Amines with Quinalizarin [PDF]

open access: yesمجلة التربية والعلم, 2009
A simple, rapid and sensitive spectrophotometric method for the determination of aliphatic amines was developed. The method is based on the proton transfer reaction with quinalizarin reagent in aqueous neutral solution to form violet product which shows ...
T. Al-Ghabsha, A. Al-Delymi
doaj   +1 more source

Spectrophotometric Determination for Metronidazole drug in pharmaceutical form (tablet) by Multi-wavelengths method

open access: yesTikrit Journal of Pure Science, 2023
The research includes, spectrophotometric determination for Metronidazole drug (MND) in pharmaceutical form (tablet), using multi-wavelengths technique, the results obeyed Beer’s law in the concentration ranges of between (0.5-25 µg.ml-1), recovery ...
Mumin Fareed Hamad Al-Samarrai
doaj   +1 more source

Spectrophotometric Determination of Paracetamol in bulk and Pharmaceutical Preparations

open access: yesمجلة بغداد للعلوم, 2015
A simple, and rapid spectrophotometric method for the estimation of paracetamol has been developed. The methods is based on diazotisation of 2,4-dichloroaniline followed by a coupling reaction with paracetamol in sodium hydroxide medium.
Baghdad Science Journal
doaj   +1 more source

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