Determination of Trace Elements in Corydalis conspersa and Corydalis linarioides by ICP-AES

Table 7

Factor load matrix of principal component analysis.

Elements	1	2	3	Common factor variance
Al	0.915	−0.313	0.209	0.979
As	0.846	−0.135	0.145	0.755
B	0.468	−0.254	0.649	0.705
Ca	0.832	0.415	−0.271	0.939
Cr	0.837	−0.311	−0.193	0.835
Cu	0.663	0.698	0.158	0.951
Fe	0.893	−0.311	0.100	0.905
K	0.776	0.135	0.014	0.620
Li	0.810	−0.263	−0.356	0.852
Mg	0.881	0.197	−0.180	0.847
Mn	0.820	0.252	0.241	0.794
Na	0.876	0.144	−0.202	0.829
Ni	0.449	−0.261	−0.579	0.606
P	0.849	0.185	−0.120	0.770
Si	0.598	0.699	0.175	0.877
Ti	0.931	−0.299	0.100	0.965
Zn	0.746	−0.440	0.205	0.792