Research Article

The Process of Separating Bovine Serum Albumin Using Hydroxyapatite and Active Babassu Coal (Orbignya martiana)

Figure 3

Zeta potential () obtained for the adsorbents hydroxyapatite (HA), synthetic hydroxyapatite (HAS), and active babassu coal (ACB) at pH 4.0 and pH 7.0 and 25°C.