Quantitative analysis of some important metals and metalloids in tobacco products by inductively coupled plasma-mass spectrometry (ICP-MS)

Table 6 Pearson Correlation matrix for 12 elements

Variables	Al	Cr	Mn	Fe	Co	Ni	Cu	Zn	As	Se	Cd	Pb
Al	1
Cr	0.673	1
Mn	0.159	0.121	1
Fe	0.962	0.683	0.146	1
Co	0.929	0.712	0.385	0.893	1
Ni	0.805	0.901	0.188	0.805	0.828	1
Cu	0.199	−0.003	0.034	0.227	0.184	0.064	1
Zn	0.403	0.210	0.651	0.391	0.480	0.302	0.103	1
As	0.843	0.450	0.295	0.825	0.850	0.599	0.148	0.517	1
Se	0.315	0.100	0.272	0.235	0.317	0.127	−0.157	0.293	0.546	1
Cd	−0.289	−0.209	0.698	−0.286	−0.077	−0.195	−0.171	0.291	−0.083	0.198	1
Pb	0.707	0.270	0.174	0.666	0.633	0.438	0.045	0.469	0.676	0.229	−0.054	1

ISSN: 2661-801X