Trace Elements and Heavy Metal Contents in West Algerian Natural Honey

Table 4

Validation parameters of the analytical procedure for determination of minerals.

Element	Certified reference material analysis		Validation parameters
	The result declared by the manufacturer	The result obtained in own research	LOD	LOQ	Recovery (%)	Uncertainty (%)
As (μg/kg)	112.6^a	112.21	0.5	1.0	100.35	16
	39^b	42.10			92.64	21
Au (μg/kg)	—	—	2.3	4.6	109.12	26
Ca (mg/kg)	50450^a	53700.23	12.1	24.2	93.95	17
	2500^b	2356.45			106.09	19
Cd (μg/kg)	1517^a	1498.03	0.1	0.2	101.27	13
	233^b	276.20			84.36	16
Co (μg/kg)	577.3^a	774.82	0.1	0.2	74.51	18
	61^b	62.76			97.20	20
Cr (μg/kg)	1988^a	2123.20	8.0	16.0	93.63	11
	61^b	62.76			97.20	14
Cu (mg/kg)	4.7^a	4.92	0.7	1.4	95.68	19
	2.8^b	3.1			90.32	25
Fe (mg/kg)	367.5^a	391.09	3.7	7.2	93.97	10
	46^b	39.21			117.32	15
K (mg/kg)	26760^a	30207.00	23.2	46.4	88.59	15
	4170^b	4376.00			95.29	14
Mg (mg/kg)	12000^a	12096.00	9.3	18.6	99.21	17
	2610^c	2734.00			95.46	12
Mn (mg/kg)	246.3^a	242.02	0.5	1.0	101.77	19
	488^b	460.50			105.97	11
Na (mg/kg)	136.1^a	157.15	6.0	12.0	86.61	14
	63^b	67.89			92.80	20
Pb (μg/kg)	167^b	163.58	0.2	0.4	102.09	23
Pt (μg/kg)	—	—	3.0	6.0	107.12	24
Ru (μg/kg)	—	—	2.5	5.0	85.34	33
Rh (μg/kg)	—	—	2.2	4.4	105.23	28
V (μg/kg)	835^a	867.58	0.4	0.8	96.24	25
W (μg/kg)	—	—	4.1	8.2	88.12	35
Zn (mg/kg)	30.94^a	36.49	0.1	0.2	84.79	21
	38^b	38.50			98.70	16

“a” NIST-1573a Tomato Leaves Standard Reference Materials; “b” NIST-1575a Pine Needles (Pinus taeda) Standard Reference Materials; “c” Certified single-element standard solutions.