charge water, acrylamide, and SVS to the reactor, start nitrogen purge, and heat to 50 C. at 50 C, add the potassium persulfatej catalydt and allow to mix for a few min. charge small amount of the bisulfite aolution to initiate, and heat to 75-80 C. maintain the temperature at 75-80 C for approximately 2 h. during the heating period, add the remainder of the bisulfite solution one drop at a time. total solids-17.0% brookfield visc. 30 rpm-3900 cps