Multielement Principal Component Analysis and Origin Traceability of Rice Based on ICP-MS/MS

Table 9

Contribution value of the element’s principal component.

Element	Component
	1	2	3	4	5	6
Li	−0.697	0.551	−0.164	0.167	0.154	−0.115
B	−0.367	0.753	0.162	0.324	0.003	−0.068
Na	−0.927	−0.009	−0.038	0.184	−0.016	−0.114
Mg	−0.318	0.846	−0.124	−0.167	−0.185	0.045
K	0.324	0.644	−0.263	0.291	0.289	0.282
Ca	−0.684	0.515	0.360	0.011	−0.278	−0.083
P	0.236	0.617	−0.559	−0.079	0.253	0.182
S	0.855	0.381	−0.277	0.102	0.108	0.094
Ti	0.772	0.070	0.141	0.016	−0.375	−0.333
V	−0.512	0.660	0.405	0.087	−0.092	0.132
Cr	−0.693	−0.380	−0.096	−0.508	0.140	0.175
Mn	−0.091	−0.002	0.794	0.261	−0.281	0.353
Ni	0.847	0.248	0.297	−0.177	−0.010	0.113
Cu	0.809	0.346	−0.112	0.180	−0.213	0.212
Fe	−0.476	0.361	−0.587	−0.277	−0.133	−0.014
Co	0.984	0.033	−0.093	−0.020	−0.007	0.000
Zn	0.472	0.092	0.364	−0.633	−0.052	0.401
Ge	0.818	0.301	−0.192	−0.039	−0.363	−0.216
Se	0.432	−0.003	0.368	0.081	0.778	−0.154
Sr	−0.221	−0.212	−0.822	0.384	−0.008	0.107
As	0.244	0.383	0.273	−0.316	0.480	−0.448
Mo	0.822	0.277	−0.040	−0.395	0.056	−0.117
Cd	0.715	−0.172	0.034	0.380	−0.209	0.165
Sb	−0.368	0.308	0.329	0.438	0.062	−0.237
Cs	0.547	−0.332	0.152	0.521	0.399	0.247
Ba	0.860	0.097	−0.044	0.198	−0.203	−0.350
Pb	−0.087	0.706	0.132	−0.114	0.148	0.236