Herdis Schopka Posted September 17, 2009 Share Posted September 17, 2009 I have a really basic question: How does SpecE8 calculate TDS? The value for TDS that I get from SpecE8 are consistently higher than the ones I get summing up the concentrations of input species (Na+, K+, Mg++, Ca++, Cl-, SO4--, HCO3-, SiO2(aq)), such that TDS_sum = 0.73 * TDS_spece8 + 63, R^2 = 0.94. Does anyone know what's going on? Thanks, Herdis Quote Link to comment Share on other sites More sharing options...
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