Table 1 Concentration of the major ions in Red Sea water and enriched solutions

Seawater

0.18 ± 0.02

10,565.04 ± 97.86

665.56 ± 14.08

1610.81 ± 28.35

475.87 ± 4.48

1^st stage

37.07 ± 0.85

4.31 ± 0.04

0.33 ± 0.08

0.02 ± 0.01

0.15 ± 0.04

2^nd stage

265.09 ± 1.25

8.53 ± 0.05

2.91 ± 1.08

0.03 ± 0.04

0.02 ± 0.01

3^rd stage

783.56 ± 11.73

23.69 ± 0.15

23.39 ± 0.57

0.14 ± 0.01

0.03 ± 0.01