Table 2.

Intrinsic viscosity of crude and carboxymethylated gums.

Seed gum	[η]HA (dlg−1)	[η]KB (dlg−1)	Huggins’ coefficient, kH′
T. indica
T	3.01	3.08	2.03
Ta	6.03	6.02	0.83
C. fistula
C	4.52	4.76	2.63
Ca	11.61	12.05	0.84

^A[η]_H was intrinsic viscosity from Huggins’ plot.

^B[η]_K was intrinsic viscosity from Kraemers plot.