Table 2 ICP-MS analysis of Jeju lava seawater (JLS), Korean natural sea salt (KS), and deep ocean sea water salt (DS)

Ba

650 ppb

228 ppb

168 ppb

Ga

N.D

N.D

N.D

Ge

N.D

N.D

N.D

Rb

1,161 ppb

752 ppb

2,614 ppb

Li

1,745 ppb

1,519 ppb

4,196 ppb

Mo

3,717 ppb

1,104 ppb

11,825 ppb

V

2,625 ppb

2,526 ppb

2,849 ppb

B

37,581 ppb

36,827 ppb

94,031 ppb

Cs

N.D

N.D

N.D

Se

N.D

N.D

N.D

Sr

231,017 ppb

55,232 ppb

190,351 ppb

U

N.D

N.D

N.D

As

24 ppb

9 ppb

48 ppb

Mn

259 ppb

331 ppb

221 ppb

Co

99 ppb

21 ppb

21 ppb

Ni

1,404 ppb

1959 ppb

904 ppb

Cu

441 ppb

789 ppb

574 ppb

Cd

13 ppb

6 ppb

8 ppb

Pb

613 ppb

414 ppb

534 ppb

Zn

1,953 ppb

1,773 ppb

2,273 ppb

Fe

N.D

315 ppb

908 ppb

Na

286,828 ppm

245,257 ppm

223,075 ppm

Ca

7,692 ppm

517 ppm

8,662 ppm

K

7,725 ppm

7,140 ppm

12,939 ppm

Mg

14,256 ppm

13,539 ppm

38,159 ppm