Carbon behavior in a water column
Aquatic Carbon Analyzer
LI-5300A Dissolved Inorganic Carbon Analyzer
Dissolved inorganic carbon analyzers help understand carbon dispersal in aquatic systems
Dissolved inorganic carbon analyzers help understand carbon dispersal in aquatic systems. DIC measurements are vital for research in ocean acidification and climate change.
Manufactured byLI-COR Environmental
Overview
About LI-5300A Dissolved Inorganic Carbon Analyzer
DIC measurements help researchers better understand the role of aquatic systems in the global carbon cycle—especially in the context of ocean acidification and climate change. DIC measurements provide insights into carbon behavior—such as carbon sources, sinks, and fluxes.
When carbon dioxide (CO2) gas dissolves in water, it forms carbonic acid (H2CO3), which then dissociates into various constituents—including protons (H+), bicarbonate ions (HCO3-), and carbonate ions (CO32-). Dissolved inorganic carbon (DIC) is the combined total of these carbon containing species expressed as a CO2 equivalent concentration. The concentrations of each constituent can be influenced by the system's pH, partial pressure of CO2 (pCO2), and total alkalinity. Figure 1 shows how the balance between carbonic acid, carbonate, and bicarbonate is affected by pH.
Figure 1. The Bjerrum plot, or the carbonate speciation diagram, depicts the equilibrium concentrations of inorganic carbon species in an aquatic solution as a function of pH.
Key Features
Why choose LI-5300A Dissolved Inorganic Carbon Analyzer
Algae applications (e.g., algae biofuels)
Carbon dioxide removal and sequestration
Oil and gas industry applications
Takes precise measurements across a wide range of values
Can extract 100% of CO2 from water samples in 2 minutes
Works With
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