Biovision’s ready-to-use Protein A IgG Purification Buffer Kit is optimized to provide the highest IgG yield and purity when used with Hi- Bind™ Protein A-Agarose (Cat. # 6520), Protein A-Agarose (Cat. # 6526), Protein A-Sepharose (Cat. # 6501, 6508) or other protein A resins.