Metal Content of Nutritional and Toxic Value in Different Types of Brazilian Propolis

Table 2

Performance characteristics of the analytical method.

Metal	Parameters
	LOD	LOQ	Accuracy (%)	Precision (%)
As	0.048 μg·g^−1	0.145 μg·g^−1	88.7	4.24
Cd	0.008 μg·g^−1	0.022 μg·g^−1	93.6	3.05
Pb	0.006 μg·g^−1	0.017 μg·g^−1	99.8	9.42
Se	0.041 μg·g^−1	0.119 μg·g^−1	88.1	1.95
Cu	0.016 mg·g^−1	0.049 mg·g^−1	94.3	0.89
K	0.011 mg·g^−1	0.031 mg·g^−1	102.6	5.78