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Chem Soil Environment

by: Ms. Jarret Stroman

Chem Soil Environment SOIL 4130

Ms. Jarret Stroman
GPA 3.71


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This 3 page Class Notes was uploaded by Ms. Jarret Stroman on Tuesday October 27, 2015. The Class Notes belongs to SOIL 4130 at University of Wyoming taught by Staff in Fall. Since its upload, it has received 20 views. For similar materials see /class/230344/soil-4130-university-of-wyoming in Soil Science at University of Wyoming.


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Date Created: 10/27/15
CHEMISTRY OF THE SOILS ENVIRONMENT SOILS 41305130 Fall 2007 Tentative Lecture Outline Textbook Soil and Water Chemistry An Integrated Approach by Michael E Essington WEEK TOPIC 1 2 3 TEXT READING Soil Chemistry Overview Chap 1 Course Objectives Philosophy Units Measurements Review of Thermodynamic Principles Spontaneity H S and G Equilibrium constants Redox reactions and the Nemst equation Activity versus concentration mp 0 9 Master Variables Soil pH S oxidation Al chemistry Cation exchange base saturation Aqueous CO2 chemistry Controls on calcareous soils Controls on sodic soils OxidationReduction REDOX a Chemical species b Microbial processes Ionic Strength a Concept b Calculations wen Soil Inorganic Components eg Minerals Chap 2 Pauling39s Rules Soil Surfaces Mineralogy a Primary minerals b Secondary minerals c Oxides and hydroxides d Carbonates and sul des Chemical Weathering Chap 3 a Chemical controls of weathering b Ion activity c Mineral stability d Weathering scheme 5 Soil Organic Matter ape 9 Surface charge Soil organic matter composition Functional groups and metal complexation Organic carbon analysis Soil Solution Solid Phase Chemistry 9900 Reaction chemistry Weathering processes Soil solution speciation Soil solution sampling Chemical analysis FIRST EXAM Chapters 14 Friday October 5 Research Papers Titles Due October 5 7 8 10 Work on Research Papers Solubility Chemistry of Soil Minerals a b c Basic principles Ion Activity Products IAP Solubility products Ksp Mineral solubility and solution composition Stability Diagrams Soil Surface Characteristics and Reactions a b c Soil mctional groups Surface complexes Electric double layer SorptionDesorption Processes Adsorption Processes a b c d Adsorption forces Adsorption isotherms and equations i Freundlich ii Langmuir iii Initial Mass Isotherm Cation and anion adsorption Organic adsorption reactions IonExchange Reactions and Equilibria mp 0 9 Exchange capacities Exchange isotherms Cation and anion exchange models Analysis of exchange reactions Chap 4 Chap 5 Chap 6 Chap 7 Chap 8 11 OxidationReduction Processes in Soils Chap 9 Electron activity Eh and pE Redox diagrams Redox reactions of Fe Mn Se As N and S ape 9 SECOND EXAM Chapters 58 Wednesday November 9 12 Chemistry of Soil Acidity Chap 10 a Measurement of pH b ANC and buffering intensity c Exchange acidity d Lime requirement e Acid mine spoil Submit DRAFT RESEARCH PAPERS Friday November 16 13 Chemistry of Soil Salinity and Sodicity Chap 11 a General de nitions SAR ESP etc b Chemistry and genesis i saline ii salinesodic iii sodic soils Irrigation water quality Coalbed Methane CBM coproduced water 99 14 Soil Fertility Phosphorus and Potassium a Aqueous species b Solubility and stability of P minerals c Adsorption of phosphorus d Polymers and reduced species Watershed Chemistry Pollution and Future Directions 15 Course Summary and Student Presentations RESEARCH PAPERSPROJECT REPORTS Due December 7 FINAL SemiCumulative Monday December 10 8001000 Let s discuss changing the time


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