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Spectral properties of potassium Sls
Nov 14, 2017

Three-dimensional fluorescence spectra of potassium Sls solution were studied by using FLS 920 fluorescence spectrometer, and the excitation light from $number nm red to NM showed two fluorescence peaks: $number nm and $number nm, the former intensity was significantly greater than the latter, and the corresponding excitation peaks were $number nm and $number nm respectively.

The results of the analysis suggested that the two fluorescence peaks were caused by the conjugate π bonds in the Sls acid potassium molecule and the electron stimulated transitions of the N-bonds. The mass concentration of potassium Sls can be detected according to the nonlinear variation of the fluorescence intensity of $number nm spectral peaks with mass concentration (0.05 ~/). In order to take fresh squeezed apple juice as an example, The feasibility of detecting the quality concentration of potassium Sls in freshly squeezed apple juice was studied based on fluorescence spectroscopy.


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    A.M Food Chemical Co.,Limited
    Add:20Floor ,B Block.Building 1,Pharma valley,high-tech zone,jinan,Shandong
    Tel:+86-531-87100375
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    Ph:+8613964066237
    E-mail:sales@amfoodchem.com
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