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Table 2 Parameters for the dependence of the solubility of Leu, and Phe in NaCl and (CH3)4NCl salt concentration, according to Eqs. (1315) at T = 298.15 K

From: Modeling solubility and acid–base properties of some amino acids in aqueous NaCl and (CH3)4NCl aqueous solutions at different ionic strengths and temperatures

Parameter

Leu

Phe

log \( {\text{S}}_{ 0}^{\text{T}} \) ≈ log \( {\text{S}}_{ 0}^{ 0} \)

−0.772 ± 0.002a

−1.084 ± 0.011a

\( a_{c} \) ≈ \( k_{c} \) (NaCl)

0.105 ± 0.002

0.067 ± 0.007

\( a_{m} \) ≈ \( k_{m} \) (NaCl)

0.088 ± 0.001

0.055 ± 0.006

\( a_{c} \) ≈ \( k_{c} \) ((CH3)4NCl)

 

0.122 ± 0.007

\( a_{m} \) ≈ \( k_{m} \) ((CH3)4NCl)

 

0.048 ± 0.005

  1. a ± 95 % CI