Microwave-Assisted Digestion Using Dilute Nitric Acid and Hydrogen Peroxide for Multielement Determination in Wheat Flour by ICP-MS

Table 7

Rotated component matrix for data in wheat samples.

Elements	Component
	1	2	3
Mg	−0.272	0.808	−0.377
K	−0.209	0.145	0.211
Ca	0.013	−0.515-	0.781
Al	0.929	0.152	−0.127
Mn	−0.205	0.623	0.607
Fe	0.787	0.414	−0.205
Cu	0.771	−0.180	0.158
Zn	0.720	−0.075	−0.127
Se	0.459	0.603	0.252
Rb	−0.418	−0.253	−0.662
V	0.881	0.218	−0.208
Cd	−0.158	0.651	0.386
As	0.742	−0.487	0.212
Explained variance (%)	34.56	20.73	15.41