SOLVENT AND PH EFFECT ON THE ABSORPTION AND FLUORESCENCE SPECTRA OF 5-…
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작성일 20-02-06 09:25
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SOLVENT AND PH EFFECT ON THE ABSORPTION AND FLUORESCENCE SPECTRA OF 5-[(2,3-DIHYDROXYBENZALIDENE)-AM
Abstract
SOLVENT AND PH EFFECT ON THE ABSORPTION AND FLUORESCENCE SPECTRA OF 5-[(2,3-DIHYDROXYBENZALIDENE)-AMINO] NAPHTHALENE-2-SULFONIC ACID
SOLVENT AND PH EFFECT ON THE ABSORPTION AND FLUORESCENCE SPECTRA OF 5-[(2,3-DIHYDROXYBENZALIDENE)-AMINO] NAPHTHALENE-2-SULFONIC ACID
To investigate the solvent effect, we measured the absorption spectra using the mixture of DMSO and ethanol. Also, the excitation spectra of DMSO-deionized water. The larger the ratio of DMSO, the greater the absorbance and the intensity. At various pH, the absorption and fluorescence spectra were measured and it was concluded that the results at pH 9.45 was the best. Therefore, the effect of several tripositive cation was conducted at pH 9.45. As anticipated, the spectra were shown to become very different when the metal ions(Al3+, Cr3+, Fe3+) were mixed to the ligand solution (solvent), ethanol: H2O= 4:1).
SOLVENT AND PH EFFECT ON THE ABSORPTION AND FLUORESCENCE SPECTRA OF 5-[(2,3-DIHYDROXYBENZALIDENE)-AMINO] NAPHTHALENE-2-SULFONIC ACID
레포트 > 사회과학계열
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SOLVENT AND PH EFFECT ON THE ABSORPTION AND FLUORESCENCE SPECTRA OF 5-[(2,3-DIHYDROXYBENZALIDENE)-AM
Abstract
Download : SOLVENT AND PH EFFEC.ppt( 14 )
To investigate the solvent effect, we measured the absorption spectra using the mixture of DMSO and ethanol. Also, the excitation spectra of DMSO-deionized water. The larger the ratio of DMSO, the greater the absorbance and the intensity. At various pH, the absorption and fluorescence spectra were measured and it was concluded that the results at pH 9.45 was the best. Therefore, the effect of several tripositive cation was conducted at pH 9.45. As anticipated, the spectra were shown to become very different when the metal ions(Al3+, Cr3+, Fe3+) were mixed to the ligand solution (solvent), ethanol: H2O= 4:1).
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