FT-IR spectroscopic analyses of 4-hydroxy-1-methyl-3-[2-nitro-2-oxoacetyl-2(1H)quinolinone (HMNOQ)

Author(s):  
M.M. Ismail ◽  
G.M. Morsy ◽  
H.M. Mohamed ◽  
M.A.M. El-Mansy ◽  
M.M.A. Abd-Alrazk
Author(s):  
M.M. El-Nahass ◽  
M.A. Kamel ◽  
A.A. El-Barbary ◽  
M.A.M. El-Mansy ◽  
M. Ibrahim

Author(s):  
H.S. Soliman ◽  
Kh.M. Eid ◽  
H.A.M. Ali ◽  
M.A.M. El-Mansy ◽  
S.M. Atef

Author(s):  
Natal'ya Davletshina ◽  
Albina Khabibullina ◽  
Rustam Davletshin ◽  
Kamil Ivshin ◽  
Olga Kataeva ◽  
...  

2015 ◽  
Vol 2 (2) ◽  
pp. 70-73
Author(s):  
Kannan.P ◽  
Thambidurai.S ◽  
Suresh.N

Growth of optically transparent single crystals of thiourea succinic acid (TUSA) was grown successfully from aqueous solution by slow evaporation technique. The crystal structure was elucidated using the single crystal XRD. The various functional groups and the modes of vibrations were identified by FT-IR spectroscopic analysis. The optical absorption studies indicate that the optical transparency window is quite wide making its suitable for NLO applications. Thermal stability of the crown crystal carried out by TGA-DTA analysis.


BMC Chemistry ◽  
2021 ◽  
Vol 15 (1) ◽  
Author(s):  
Ranju Bansal ◽  
Ranjit Singh ◽  
Khushpal Kaur

Abstract Background Environment-friendly fast and accurate mid-infrared spectroscopic methods have been developed for the quantitative analysis of doxorubicin hydrochloride (DOX) and arterolane maleate (ALM) in bulk and marketed formulations. Both transmittance and reflectance modes have been used for the analysis and a comparison has been drawn for better accuracy. The analytical methods were validated in accordance with International Council for Harmonisation (ICH) guidelines Results The proposed methods have been successfully developed and validated for the quantification of doxorubicin and arterolane maleate in solid bulk and dosage form. High recovery values in both the modes, while analysing DOX and ALM, indicated good accuracy of the methods. The methods showed excellent repeatability and intermediate precision [% RSD (Relative Standard Deviation < 2.0%]. The assay values of the drugs in solid dosage forms were also found close to the labelled claim. Conclusion The proposed Fourier transform infrared (FT-IR) spectroscopic methods were found to be specific, reproducible, valid and could be used as general methods for the quantification of most of the solid drug preparations such as tablets, capsules and powders.


2004 ◽  
Vol 13 (7) ◽  
pp. 1927-1932 ◽  
Author(s):  
Wojciech Dzwolak ◽  
Vytautas Smirnovas ◽  
Ralf Jansen ◽  
Roland Winter

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