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Prepare the reagent blank by eliminating the COD vial cap and pipetting deionized water as an alternative to sample into your vial.Having said that, it's important to note that the correlation might not be best because of the existence of inorganic carbon compounds, non-oxidizable natural and organic compounds, and variations in the composition of
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Fig. 7 shows an overlay of each the sample UV spectra as well as the normal UV spectra for peak B when detected at 310 nm. The UV spectra on the compounds detected during the cosmetics are recommended being the exact same compounds given that the conventional substance because the two UV spectra coincide. The use of PDA detectors can obtain a UV sp