Metal Content and Stable Isotope Determination in Some Commercial Beers from Romanian Markets

Table 1

The concentration of major metals in studied beers (mean and RSD %).

Crt. number	Sample code	Producer	Package type	Metal concentration [mg·L^−1]
				Na	Mg	Ca	K	P	Si	Fe
1	W1	Producer 1	PET	29.4 ± 0.8	38.2 ± 1.7	11.2 ± 0.5	88.6 ± 3.5	96.4 ± 2.2	13.4 ± 0.5	0.5 ± 0.05
2	W2	Producer 2	Dose	5.2 ± 0.2	41.2 ± 1.7	28.2 ± 1.5	86.2 ± 3.6	81.6 ± 1.7	11.4 ± 0.5	0.5 ± 0.05
3	W3	Producer 3	Dose	10.5 ± 0.3	69.5 ± 2.2	29.2 ± 1.5	135.2 ± 12.8	138.0 ± 4.1	15.6 ± 0.7	1.0 ± 0.07
4	W4	Producer 3	Glass	11.5 ± 0.2	73.2 ± 3.5	34.6 ± 1.7	138.2 ± 13.3	138.5 ± 4.0	12.8 ± 0.5	2.4 ± 0.2
5	W5	Producer 4	Dose	25.3 ± 0.8	50.1 ± 3.0	34.7 ± 1.7	114.4 ± 10.2	97.1 ± 2.2	11.3 ± 0.5	0.3 ± 0.03
6	W6	Producer 5	Dose	31.3 ± 1.0	47.8 ± 3.4	41.8 ± 2.3	107.5 ± 10.5	66.0 ± 1.2	14.2 ± 0.6	2.5 ± 0.2
7	W7	Producer 6	Glass	25.6 ± 0.8	84.7 ± 5.8	28.9 ± 1.4	154.8 ± 14.0	152.5 ± 5.0	13.5 ± 0.5	1.3 ± 0.09
8	W8	Producer 6	Dose	25.0 ± 0.8	84.3 ± 5.0	33.1 ± 1.8	147.3 ± 10.9	132.4 ± 3.8	14.4 ± 0.6	2.7 ± 0.2
9	W9	Producer 7	Dose	17.1 ± 0.4	42.1 ± 1.7	11.3 ± 0.4	104.1 ± 8.5	99.0 ± 2.5	13.1 ± 0.5	4.2 ± 0.4
10	W10	Producer 8	Glass	34.3 ± 1.2	71.6 ± 3.3	30.3 ± 1.5	144.4 ± 10.3	148.9 ± 5.0	13.3 ± 0.5	3.5 ± 0.3
11	W11	Producer 8	Dose	11.6 ± 0.4	78.7 ± 4.2	32.8 ± 1.5	138.6 ± 13.0	109.6 ± 2.7	15.0 ± 0.7	0.4 ± 0.02
12	W12	Producer 9	Glass	44.2 ± 1.2	84.2 ± 5.5	29.2 ± 1.5	197.0 ± 18.5	121.9 ± 3.0	12.9 ± 0.5	0.2 ± 0.02
13	W13	Producer 10	Glass	37.2 ± 1.0	62.4 ± 2.0	53.2 ± 2.8	115.3 ± 9.5	105.3 ± 2.8	13.7 ± 0.5	2.6 ± 0.2
14	W14	Producer 11	Glass	18.9 ± 0.4	58.5 ± 2.8	28.8 ± 1.4	129.2 ± 10.4	132.5 ± 3.6	15.2 ± 0.7	0.2 ± 0.01
14	W15	Producer 2	PET	8.8 ± 0.2	66.2 ± 2.0	62.2 ± 3.4	126.7 ± 9.7	130.7 ± 3.6	14.8 ± 0.6	0.6 ± 0.03
16	W16	Producer 12	Dose	13.8 ± 0.3	75.5 ± 3.2	37.2 ± 1.7	145.8 ± 10.3	107.9 ± 2.5	13.9 ± 0.6	2.3 ± 0.2
17	W17	Producer 12	PET	13.4 ± 0.3	75.2 ± 4.0	38.7 ± 1.7	154.3 ± 13.9	112.1 ± 2.9	15.7 ± 0.8	1.1 ± 0.08
18	W18	Producer 12	Glass	13.4 ± 0.5	71.3 ± 3.7	29.7 ± 1.5	144.4 ± 10.0	154.3 ± 5.1	13.9 ± 0.6	0.2 ± 0.01
19	W19	Producer 13	PET	154.9 ± 10.2	22.5 ± 1.1	15.9 ± 0.8	29.8 ± 2.3	89.0 ± 1.9	13.2 ± 0.4	2.3 ± 0.2
20	W20	Producer 14	PET	100.3 ± 8.7	29.7 ± 1.1	7.8 ± 0.4	39.8 ± 4.0	109.6 ± 6.5	20.0 ± 1.5	1.0 ± 0.1