changes.mady.by.user Arthur Aslanyan (Nafta College)
Saved on Jan 30, 2022
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{\rm Sal} = \frac{m_{\rm mbox{salt}}}{m_{\mbox{pure fluid/soil}}}
Sal
‰
frac = 10-3 ‰ = 10-6 ppm
‰ = ppk = ppt = 1,000 ppm
wt% = 0.01 frac = 0.1 ‰ = 100 ppm
[1] g/L = 10-3 frac = 10-5 wt% = 1 g/kg = 1 ‰ = 103 mg/L = 103 ppm
[2] mg/L = 1 ppm = 0.01 wt% = 0.001 ‰
