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# Extended Mobile Phase Modulator Langmuir¶

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
EMPM_COMP_MODE

Determines the mode of each component ($$0$$ denotes the modifier component, $$1$$ is linear binding, $$2$$ is modified Langmuir binding). At most one modifier component is allowed, that is, a modifier is not required.

Note that this field has the same name for the externally dependent variant of the model.

 Type: int Range: $$\{0,1,2\}$$ Length: NCOMP
EMPM_KA

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

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

Desorption rate constants

Unit: $$m_{MP}^{3\beta}~mol^{-\beta}~s^{-1}$$

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

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

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

Parameters describing the ion-exchange characteristics (IEX)

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

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

Parameters describing the hydrophobicity (HIC)

Unit: $$m_{MP}^{3} mol^{-1}$$

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