Polyacrylamide (PAM) ndi polima yosunthika yomwe imagwiritsidwa ntchito kwambiri pochiza madzi, kupanga mapepala, kuchotsa mafuta ndi zina. Malingana ndi katundu wake wa ionic, PAM imagawidwa m'magulu atatu akuluakulu: cationic (Cationic PAM, CPAM), anionic (Anionic PAM, APAM) ndi nonionic (Nonionic PAM, NPAM). Izi zi...
Werengani zambiri