> have I in every case to multiply the phreeq-output with 96000 to get the resulting SO4 in mg/L so TOT("S(6)")*96000=SO4 in mg/L ? Almost all quantities in PHREEQC are mol/kgw or moles. The function TOT ("S(6)") returns mol/kgw of sulfur in the +6 state. To convert to mg/L: mg/L = mol/kgw*96 g/mol*1000 mg/g * 1 kgw/L. The last factor is approximate and should have some minor corrections for density and mass of solutes. David David Parkhurst (dlpark@xxxxxxxx) U.S. Geological Survey Box 25046, MS 413 Denver Federal Center Denver, CO 80225 Project web page: https://wwwbrr.cr.usgs.gov/projects/GWC_coupled
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