Identifying the Geographical Origin of Tobacco Leaf by Strontium and Lead Isotopic with Mineral Elemental Fingerprint

Table 3

Fisher’s linear discriminant classification function coefficients.

Inspection indicator	Geo-origin
	Argentina	Brazil	Zimbabwe	U.S.	Zambia	China
Cu	28.288	28.227	29.283	28.364	27.952	29.015
Zn	−3.708	−3.597	−3.637	−3.411	−3.795	−3.657
Cr	87.133	81.982	87.466	85.833	79.718	80.827
Ni	33.708	33.702	34.240	32.896	34.519	35.149
Cd	170.098	170.210	172.580	169.258	171.664	173.317
Pb	−144.816	−145.781	−147.953	−145.185	−147.478	−144.015
^87Sr/^86Sr	57461.043	57441.360	59063.574	57222.249	58924.132	57584.022
^207Pb/^204Pb	21926.290	21864.961	22157.672	21854.720	21950.363	21983.502
^206Pb/^204Pb	−3880.732	−3868.292	−3908.523	−3865.970	−3884.012	−3890.509
Constant	−156198.966	−155454.980	−160517.669	−155189.094	−157574.881	−157015.224