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Noyes-Whitney Dissolution Rate Calculator

dm/dt = D·A·(C_s − C_b) / h — solid dissolution flux.

Calculates the dissolution rate of a solid dosage form using the Noyes-Whitney equation from diffusion coefficient, surface area, saturation concentration, bulk concentration, and diffusion layer thickness.

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Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

dm/dt = D × A × (C_s − C_b) / h

In depth

Calculates the dissolution rate of a solid dosage form using the Noyes-Whitney equation from diffusion coefficient, surface area, saturation concentration, bulk concentration, and diffusion layer thickness.