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Langmuir Adsorption Isotherm Calculator — result sheet
Calculate adsorbed quantity from maximum capacity, affinity constant, and equilibrium concentration.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Adsorbed quantity q = qmax×K×C/(1+K×C).
The saturation form makes the capacity limit and concentration-dependent approach to that limit explicit.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Maximum capacity — mg/g; minimum 0; maximum 1000000
- Affinity constant — L/mg; minimum 0; maximum 1000000
- Equilibrium concentration — mg/L; minimum 0; maximum 1000000
Worked example
| Input | Value |
|---|---|
| Maximum capacity | 10 |
| Affinity constant | 0.5 |
| Equilibrium concentration | 2 |
Adsorbed quantity = 5 mg/g.
Assumptions and limits
- Capacity, affinity, and concentration are nonnegative and use compatible units.
- Adsorption occurs on uniform independent sites with one layer and equilibrium.
- Kinetics, competition, multilayers, temperature dependence, and measurement uncertainty are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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