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# Simplified Multi-State Steric Mass Action¶

IS_KINETIC

Selects kinetic or quasi-stationary adsorption mode: 1 = kinetic, 0 = quasi-stationary. If a single value is given, the mode is set for all bound states. Otherwise, the adsorption mode is set for each bound state separately.

 Type: int Range: {0,1} Length: 1/NTOTALBND
SMSSMA_LAMBDA

Stationary phase capacity (monovalent salt counterions); The total number of binding sites available on the resin surface

Unit: $$mol~m_{SP}^{-3}$$

 Type: double Range: $$\ge 0$$ Length: 1
SMSSMA_KA

Adsorption rate constants of the components to the different bound states in component-major ordering

Unit: $$m_{MP}^{3}~m_{SP}^{-3}~s^{-1}$$

 Type: double Range: $$\ge 0$$ Length: NTOTALBND
SMSSMA_KD

Desorption rate constants of the components to the different bound states in component-major ordering

Unit: $$s^{-1}$$

 Type: double Range: $$\ge 0$$ Length: NTOTALBND
SMSSMA_NU_MIN

Characteristic charges of the components in the first (weakest) bound state

Unit: $$s^{-1}$$

 Type: double Range: $$\ge 0$$ Length: NCOMP
SMSSMA_NU_MAX

Characteristic charges of the components in the last (strongest) bound state

 Type: double Range: $$\ge 0$$ Length: NCOMP
SMSSMA_NU_QUAD

Quadratic modifiers of the characteristic charges of the different components depending on the index of the bound state

 Type: double Range: $$\mathbb{R}$$ Length: NCOMP
SMSSMA_SIGMA_MIN

Steric factors of the components in the first (weakest) bound state

 Type: double Range: $$\ge 0$$ Length: NCOMP
SMSSMA_SIGMA_MAX

Steric factors of the components in the last (strongest) bound state

 Type: double Range: $$\ge 0$$ Length: NCOMP
SMSSMA_SIGMA_QUAD

Quadratic modifiers of steric factors of the different components depending on the index of the bound state

 Type: double Range: $$\mathbb{R}$$ Length: NCOMP
SMSSMA_KWS

Exchange rates from a weakly bound state to the next stronger bound state

Unit: $$s^{-1}$$

 Type: double Range: $$\ge 0$$ Length: NCOMP
SMSSMA_KWS_LIN

Linear exchange rate coefficients from a weakly bound state to the next stronger bound state

Unit: $$s^{-1}$$

 Type: double Range: $$\mathbb{R}$$ Length: NCOMP
SMSSMA_KWS_QUAD

Quadratic exchange rate coefficients from a weakly bound state to the next stronger bound state

Unit: $$s^{-1}$$

 Type: double Range: $$\mathbb{R}$$ Length: NCOMP
SMSSMA_KSW

Exchange rates from a strongly bound state to the next weaker bound state

Unit: $$s^{-1}$$

 Type: double Range: $$\ge 0$$ Length: NCOMP
SMSSMA_KSW_LIN

Linear exchange rate coefficients from a strongly bound state to the next weaker bound state

Unit: $$s^{-1}$$

 Type: double Range: $$\mathbb{R}$$ Length: NCOMP
SMSSMA_KSW_QUAD

Quadratic exchange rate coefficients from a strongly bound state to the next weaker bound state

Unit: $$s^{-1}$$

 Type: double Range: $$\mathbb{R}$$ Length: NCOMP
SMSSMA_REFC0

Reference liquid phase concentration (optional, defaults to $$1.0$$)

Unit: $$mol~m_{MP}^{-3}$$

 Type: double Range: $$\gt 0$$ Length: 1
SMSSMA_REFQ

Reference solid phase concentration (optional, defaults to $$1.0$$)

Unit: $$mol~m_{SP}^{-3}$$

 Type: double Range: $$\gt 0$$ Length: 1