Studies of Electrolytic Conductivity of Some Polyelectrolyte Solutions: Importance of the Dielectric Friction Effect at High Dilution

Table 1

Variations with counterions concentration 𝐂^∘_Na+ of the experimental Λ^exp_NaHRB and theoretical Λ_NaHRB, Λ^𝑖_NaHRB equivalent conductivities, of the degree of Na⁺ condensation (1−𝛼_C), of the apparent charge number 𝑍_ap, and of the dielectric frictions in absence (𝛽^df) and in presence (𝛽^dfi) of interference, in the case of sodium heparinate RB21055 in water at 25°C.

𝐂^∘Na+; mol·L^−1	Λ^expNaHRB; cm^2⋅Ω^−1⋅eqvNa+^−1	1−𝛼C	𝑍ap	ΛHy,El,R; cm^2⋅Ω^−1⋅eqvNa+^−1	𝑅𝑔; (Å)	ΛNaHRB; cm^2⋅Ω^−1⋅eqvNa+^−1	Λ^𝑖NaHRB; cm^2⋅Ω^−1⋅eqvNa+^−1	100𝛽^dfi	𝛽^dfi𝑃/𝛽^df𝑃
5.1083 × 10^−5	82.61	0.244	−37.80	117.58	1.691	59.62	82.68	78.03	0.30
7.4666 × 10^−5	80.73	0.262	−36.91	111.18	1.70	58.19	80.67	70.03	0.30
1.4152 × 10^−4	74.72	0.291	−35.45	100.68	1.693	55.06	74.73	66.14	0.30
2.4088 × 10^−4	69.51	0.314	−34.29	92.31	1.678	52.18	69.15	66.08	0.32
5.0027 × 10^−4	61.87	0.344	−32.82	81.54	1.656	48.29	61.96	65.73	0.35
9.3208 × 10^−4	56.72	0.366	−31.72	73.27	1.643	45.29	56.79	62.98	0.36
1.7299 × 10^−3	52.04	0.385	−30.77	66.05	1.627	42.51	52.08	60.87	0.37
3.3723 × 10^−3	48.29	0.402	−29.94	59.47	1.623	40.16	48.26	54.60	0.38
5.1303 × 10^−3	46.34	0.410	−29.55	55.92	1.625	38.95	46.31	49.80	0.38