drinking water treatment chemicals/pac-polyaluminum in brazil
Cationic polyacrylamide (CPAM) with a molecular weight ranging from 8 mil lion to 18 million Da and ionization degree of 25% was obtained commercially .
Cotton fabric is pretreated with polyacrylamide and dyed with 0.5%, 1%, 2% and 3% basic dye in the Wet Processing Laboratory of Southeast University, Dhaka, Bangladesh on 3 December 2015.
