TY - BOOK AU - Appelo,C.A.J AU - Postma,Dieke TI - Geochemistry, groundwater and pollution SN - 0415364213 AV - GB855 .A62 2005 PY - 2005///] CY - Leiden, New York PB - Balkema KW - Water chemistry KW - Groundwater KW - Pollution N1 - Includes bibliographical references and index; Preface; Contents; LIST OF EXAMPLES; NOTATION; 1 INTRODUCTION TO GROUNDWATER GEOCHEMISTRY; 1.1 Groundwater as drinking water; 1.1.1 Standards for drinking water; 1.2 Units of analysis; 1.3 Groundwater quality; 1.4 Sampling of groundwater; 1.4.1 Depth integrated or depth specific sampling; 1.4.2 Procedures for sampling of groundwater; 1.5 Chemical analysis of groundwater; 1.5.1 Field analyses and sample conservation; 1.5.2 Accuracy of chemical analysis; Problems; References; 2 FROM RAINWATER TO GROUNDWATER; 2.1 The hydrological cycle. 3.2.4 The aquifer as a chemical reactor3.3 Dating of groundwater; 3.4 Retardation; 3.4.1 The retardation equation; 3.4.2 Indifferent and broadening fronts; 3.4.3 Sharpening fronts; 3.4.4 Solid and solute concentrations; 3.5 Diffusion; 3.5.1 Diffusion coefficients; 3.5.2 Diffusion as a random process; 3.5.3 Diffusive transport; 3.5.4 Isotope diffusion; 3.6 Dispersion; 3.6.1 Column breakthrough curves; 3.6.2 Dispersion coefficients and dispersivity; 3.6.3 Macrodispersivity; Problems; References; 4 MINERALS AND WATER; 4.1 Equilibria and the solubility of minerals. 4.2 Corrections for solubility calculations4.2.1 Concentration and activity; 4.2.2 Aqueous complexes; 4.2.3 Combined complexes and activity corrections; 4.2.4 Calculation of saturation states; 4.3 Mass action constants and thermodynamics; 4.3.1 The calculation of mass action constants; 4.3.2 Calculation of mass action constants at different temperature; 4.4 Equilibrium calculations with PHREEQC; 4.4.1 Speciation calculations using PHREEQC; 4.4.2 The PHREEQC database; 4.4.3 Mineral equilibration; 4.5 Solid solutions; 4.5.1 Basic theory; 4.5.2 The fractionation factor for solid solutions. 4.5.3 Kinetic effects on the fractionation factor4.6 Kinetics of geochemical processes; 4.6.1 Kinetics and equilibrium; 4.6.2 Chemical reactions and rates; 4.6.3 Temperature dependency of reaction rates; 4.6.4 Mechanisms of dissolution and crystallization; 4.6.5 Rate laws for mineral dissolution and precipitation; Problems; References; 5 CARBONATES AND CARBON DIOXIDE; 5.1 Carbonate minerals; 5.2 Dissolved carbonate equilibria; 5.2.1 The carbonic acid system; 5.2.2 Determining the carbonate speciation in groundwater; 5.3 Carbon dioxide in soils; 5.4 Calcite solubility and PCO2 ER -