Physics, asked by piyushmeena7212, 8 months ago

Why the uv peaks shift to higher wavelength after heat treatment?

Answers

Answered by Anonymous

Explanation:

9(a) shows the UV-vis range of the spectra of the samples, heat- treated at different temperatures. The spectra shift toward higher wavelength region as the temperature of heat treatment increases. Their UV-cut-off wavelengths have been marked.

Answered by missShelly

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The UV/VIS photometer has a radiation source and a flow cell with two channels. The sample channel measures the signal generated by UV/VIS absorption of the sample, and the reference channel compensates for the system’s background absorbance.

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