Chemistry Combining Elemental Profile, Stable Isotopic Ratios, and Chemometrics for Fine Classification of a Chinese Herb Licorice (Glycyrrhiza uralensis Fisch.) from 37 Producing Area

Table 1

Selected analytical wavelengths for the 15 different elements.

Elements	Wavelength (nm)	Elements	Wavelength (nm)
Zn	213.8	Sr	407.8
Ca	393.4	Co	236.4
Cu	324.8	K	766.5
Mn	257.6	Se	196.0
Al	396.2	Cd	228.8
Cr	267.7	Fe	238.2
Mg	280.2	Na	589.6
Pb	220.4	—^a	—

‘a’ represents nondetected.