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Table 3
List of symbols.
| Symbol | Description | S.I. Units |
|---|---|---|
| A | Projected surface of the particle | m2 |
| Ci,b | Concentration of the specie i in the bulk solution | mol m−3 |
| Ci,s | Concentration of the specie i at the external surface of the solid | mol m−3 |
| Di | Molecular diffusivity of the specie i | m2 s−1 |
| Mi | Molar mass of the specie i | g mol−1 |
| P | Perimeter of the projected surface of the particle | m |
| R | Universal gas constant | J mol−1 K−1 |
| Re | Reynolds number | − |
| Rp | Particle radius | m |
| Sc | Scriven number | − |
| Sh | Sherwood number | − |
| T | Temperature | K |
| Vl | Volume of liquid | m3 |
| fe | External resistance to mass transfer ratio | − |
| ji | Diffusion flow of the specie i in the external diffusion layer | mol m−2s−1 |
| kd,i | Mass transfer conductance of the specie i in the external diffusion layer | m s−1 |
| knc | Non-catalyzed chemical reaction constant | m s−1 |
| mi | Mass of the specie i | kg |
| n | Partial order relating to nitric acid in the non-catalyzed chemical reaction | − |
| m s−1 | ||
| r | Dissolution rate check | mol m−2 s−1 |
| kg m−2 s−1 | ||
| rnc | Non-catalyzed chemical reaction rate | m s−1 |
 |
Dissolution rate of swinging between chemical and diffusional control | m s−1 |
| t | Time | s |
| Δl | Displacement of the solid/liquid interface | m |
| νi | Stoichiometric coefficient of the specie i | − |
| ρi | Density of the specie i | kg m−3 |
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