Peak purity

Peak purity

Hi I have couple of question regarding the peak purity, if any on can help. please  

1. is bandwidth is important to set and which bandwidth would be ideal.

2. How i can set up the spectra for each peak per second is there any option in open lab CDS

3. when doing the peak purity which ways is the best like single wavelength (254nm ) or range of wavelengths (190-400nm).

4. what is the best tow spectral reference points to be selected and placed at the time before and after the peak of interest. 

5. H ow an find the Match factor in openlab CDS to compare with threshold value.


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