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Table 1 Zavarzin water content.

From: Molecular analysis of the benthos microbial community in Zavarzin thermal spring (Uzon Caldera, Kamchatka, Russia)

Elemental composition Units Cw Elemental composition Units Cw
Temperature °C 58 Ga ppb 0.13
pH pH 6.62 Ge ppb 0.7
Eh mV 54 As ppb 22
DOC ppm 1.0 Se ppb 0.38
Ca2+ ppm 18.0 Br ppb 47
Mg2+ ppm 5.6 Rb ppb 9.5
Na+ ppm 35 Sr ppb 100
K+ ppm 4.9 Y ppb 0.0054
HCO3- ppm 180 Zr ppb 0.011
SO42- ppm 60 Nb ppb < 300E-6
H2S ppm 3.6 Mo ppb 0.022
Cl- ppm 13.5 Ag ppb 0.04
Si ppm 85 Cd ppb 0.003
TDS, calculated ppm 410 Sn ppb 0.015
Li ppb 47 Sb ppb 0.028
B ppb 980 Te ppb 0.006
Be ppb 0.015 I ppb 6
Al ppb 33 Cs ppb 2.4
P ppb 160 Ba ppb 98
Zn ppb 85 Ta ppb < 200E-6
Ti ppb 0.75 W ppb 0.083
V ppb 0.084 Re ppb 2.00E-04
Cr ppb 0.11 Hg ppb 0.8
Mn ppb 610 Tl ppb 0.0011
Fe ppb 16 Pb ppb 0.13
Co ppb 0.054 Bi ppb 0.0015
Ni ppb 0.17 Th ppb < 500E-6
Cu ppb 0.4 U ppb 0.0015