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i <br /> SamDle MW70994 <br /> TempC = 20.0 pH = 7.2 !j <br /> TDS = 960.0 COND = 0.0 <br /> HARD = 0.0 DENS = 1.0 <br /> mg/1 mmole/1 meq/1 $ meq/1 1 <br /> Na+ 73.0 3.1752 3.1752 16.5 <br /> K + 6.4 0.I637 0.1637 0.9 <br /> Ca++ 190.0 4.7405 9.4810 49.3 <br /> Mg++ 78.0 3.2083 6.4166 33.4 <br /> Cl- 130.0 3.6668 3.6668 22.1 i <br /> 504-- 15.0 0.1562 0.3123 1 .9 <br /> HCO3- 770.0 12.6196 12.6196 76.0 <br /> CO3-- 0.0 0.0000 0.0000 0.0 <br /> Si02 0.0 0.0000 0.0000 0.0 U <br /> LANGELIER INDEX 0.74 IONIC STRENGTH= ! 0.0260 <br /> TDS Calc = 1262 mg/Z k <br /> Analytical checks and comparisons <br /> i <br /> Sum cations = 19.2365 Sum anions = !16.5988 <br /> BALANCE = 7.36 $ <br /> TDS measured = 980 mg/l <br /> TDS(180) Calc = 871 mg/l %TDS(180) diff= �II .1 <br /> TDS/Gond ratio= 0.00 Usual range = 0.55 to 0.75 <br /> Cond/Sum-cat = 0' Usual range = 90 - 110 <br /> Meas. Density = 1.0000 Calc. Density = 1 .0010 <br /> Meas. hardness 0.00 mg/1 CaCO3 <br /> Calc. hardness= 795.58 mg/1 CaCO3 <br /> Na - Cl = -0.492 meq/1 Usually positive <br /> Ca - 304 = 9.169 meq/l Usually positive <br /> K/(Na + K) 4.90 % Usually < 20% <br /> Mg/(Mg+Ca) = 40.36 % Usually < 40$ s <br /> Meas HCO3 = 770.0 mg/Z Meas CO3 0.0 mg/1 j <br /> Calc HCO3 = 768.4 mg/1 Calc CO3 = 0.8, mg/1 <br /> SOURCE ROCK ESTIMATE ; <br /> Na+K-Cl = -0.3280 <br /> SI021(Na+K-C1)= 0.0000 <br /> Si021HCO3 = 0.0000 <br /> SAR = 1 .1 <br /> CONDUCTIVITY = 0 k <br /> EST. COND. = 1924 <br /> Na / Na + Cl = 0.4641 E <br /> Ca / Ca + SO4 = 0.9681 <br /> i <br /> Na < Cl BRINE SAMPLE LIKELY; TDS>500 <br /> Ca > SO4 <br /> i <br /> S102 ZERO; Silicate weathering likely if Si02 > 76 mg/l <br /> other-wise carbonate weathering .is more likely <br />