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

Table 8

Principal component vector.

Elements	Principal component Z1	Principal component Z2	Principal component Z3
Al	0.281	−0.215	0.182
As	0.260	−0.093	0.126
B	0.144	−0.175	0.565
Ca	0.256	0.285	−0.236
Cr	0.257	−0.214	−0.168
Cu	0.204	0.480	0.137
Fe	0.275	−0.214	0.087
K	0.239	0.093	0.012
Li	0.249	−0.181	−0.310
Mg	0.271	0.135	−0.157
Mn	0.252	0.173	0.210
Na	0.269	0.099	−0.176
Ni	0.138	−0.179	−0.504
P	0.261	0.127	−0.104
Si	0.184	0.480	0.152
Ti	0.286	−0.205	0.087
Zn	0.229	−0.302	0.178