Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Classification plot of the benchtop spectrometer for the 15-mixture combination using the data of samples with the lowest adulteration level of 0.5% w/w and the pure whey protein powder. U = urea, G = glycine, T = taurine, M = melamine. Spectral pre-processing: Savitzky-Golay smoothing (second order polynomial).
