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The new chemical method for identifying and quantifying Sudan I (1-[(2,4-dimethylphenyl)azo]-2-naphthalenol) from chilli species is devised to overcome the shortcoming with complex operation, longer analytical period of High performance liquid chromatography (HPLC) assay. Sudan I complexed with Cu2+ leads to the shift of visible absorption wavelength from 478 nm to 526 nm. The major product is the...
Current peak detections algorithms for processing mass spectrometry (MS) spectra generally rely on two dimensional techniques for identifying the location and intensity of peaks from a single spectrum. However, when high performance liquid chromatography (HPLC) is coupled with mass spectrometry, a third dimension, retention time, is introduced. The ensemble of MS spectra may then be regarded as a...
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