Often, any ferrocene derivative during its characterization using a spectroscopic method gives two absorbances, along the ultraviolet region and the visible region (figure 1 ).
in vitro was carried out a study on 4cp-ferrocene and the light scan from 200 to 900 nm did not give any absorbance (figure 2 ).
I tried to characterize 4cp-ferrocene utilizing Etanol, DMSO, DMF, DMF/Water, DMSO/Water .. but all these solvents and mixtures gave the same spectrum without absorbance.
Your question is not clear but both the absorption spectra are same. If you want to get the clear peak in the 2nd case like 1st one, please increase the concentration or increase the slit width keeping the concentration same. Better to go with increased concentration. Solubility can be a factor. By the way, what is this 4cp-ferrocene?
Mr. Frank T. Edelmann, Agnishwar Girigoswami / 4cp-ferrocene is new organometallic compound (ferrocene derivative)
Mr. Agnishwar Girigoswami
I increased the concentration of the sample but it gave the same spectrum without a peak.
Your curves look primarily like turbidity due to light scattering with some small absorbances superimposed.
Dear Benamara Hacen , thanks for the information. Please find attached a reference entitled "Synthesis, UV/vis spectra and electrochemical characterization of arylthio and styryl substituted ferrocenes" in which a few UV/vis spectra of substituted ferrocene derivatives. I hope it helps.
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