Antibiotic Biochemical Filter Marker/Ladder Sera/Media	home > Products > Biochemical   5X Phosphate Buffer pH 8 Cat. No. Size Price Description HAA13-50 50ml   HAA13-100 100ml   HAA13-250 250ml     Description 5X Phosphate Buffer pH8 consists of 250 mM Phosphate buffer pH 8, 1.5 M NaCl 5X Phosphate Buffer pH8 is the basis for wash and elution buffers for protein purification through His-Tag.