Synthesis and Characterization of Graft Copolymer of Dextran and 2-Acrylamido-2-methylpropane Sulphonic Acid

Table 2

Elemental analysis and flocculation performance of Dx and its graft copolymers.

Polymer	Elemental analysis			Flocculation performance
	Carbon (%)	Hydrogen (%)	Nitrogen (%)	Optimum dose (ppm)	Turbidity (NTU)
Dx	38.7	6.2	0.36	4	96
Dx-g-PAMPS1	36.9	6.8	4.6	8	70
Dx-g-PAMPS2	38.9	6.9	4.7	10	51
Dx-g-PAMPS3	37.1	6.5	5.1	4	23
Dx-g-PAMPS4	38.7	6.9	4.5	16	24