Figure 18.

The PC 9 loadings spectrum of the spectral library of 464 vials. Important spectral variations are marked at 4469, 5135, and 7372 cm−1. Noise is beginning to enter the spectrum from the high wave number end of the spectrum on the left.

The PC 9 loadings spectrum of the spectral library of 464 vials. Important spectral variations are marked at 4469, 5135, and 7372 cm−1. Noise is beginning to enter the spectrum from the high wave number end of the spectrum on the left.