Overview Data Input Data Output DIC Charge Balance Physico-Chem Params Reactions Redox Mineral Phases

Manual (Selected Topics)

Data Input (Input Panel) & Start

• The Input Panel
• Starting the calculations
• Open System – Exchange of CO2 and O2

Display of Results

• Output Tables: Water Composition
• Carbonate System – Main Parameters
• Calcium Carbonate Saturation State

The Carbonate System

• How to specify the carbonate system? (input of DIC and alkalinity)
• Input of CO₂ partial pressure (open system)

Charge Balance

• CBE – Charge-Balance Error
• Charge-Balance adjustment
• Guidance for Charge-Balance adjustment

Physico-Chemical Parameters

• EC – Electrical Conductivity
• EC – Temperature Compensation
• From Diffusion Coefficients to EC
• TDS – Total Dissolved Solids
• TDS, EC, and Charge Balance
• Water Hardness
• Soft and Hard Water

Reactions

• Addition of chemicals (pH Calculator)
• List of inorganic compounds
• List of organic acids (pK_a values)
• pH of common acids and bases
• pH of organic acids
• Titration Plots

Redox Reactions

• Available redox elements (valence states)
• Redox reactions of nitrogen (configuration panel)

Mineral Phases

• Dissolution and precipitation
• Table of mineral phases
• Configuration panel