. Author manuscript; available in PMC: 2008 Sep 25.

Published in final edited form as: J Phys Chem C Nanomater Interfaces. 2007;111(25):8916–8924. doi: 10.1021/jp0690603

Table 3.

Fitted values of K_A, B_max, and c abstracted from the LCST vs. salt concentration curves of PNIPAM at different molecular weights in the presence of chaotropic anions.

Anion	M_n (g/mol)	B_max (°C)	K_A (M⁻¹)	c (°C/mol)
Cl⁻	6,980	-	-	−10.3
	30,700	-	-	−10.4
	121,000	-	-	−10.4
	360,000	-	-	−10.3
Br⁻	6,980	2.1	2.5	−8.1
	30,700	1.3	2.3	−7.5
	121,000	1.4	2.6	−7.4
	360,000	1.5	3.4	−7.5
NO₃⁻	6,980	1.7	2.8	−7.4
	30,700	1.0	2.0	−7.0
	121,000	1.1	2.9	−6.9
	360,000	1.4	3.1	−7.4
I⁻	6,980	2.7	3.3	−2.9
	30,700	2.3	4.3	−2.8
	121,000	2.1	4.3	−2.9
	360,000	2.2	5.1	−3.2
ClO₄⁻	6,980	6.2	3.3	−11.8
	30,700	4.8	3.9	−11.9
	121,000	3.6	5.1	−12.6
	360,000	2.6	7.7	−12.7
SCN⁻	6,980	6.0	2.0	−2.3
	30,700	4.8	2.8	−2.7
	121,000	3.1	4.3	−2.7
	360,000	2.6	6.9	−3.1