CX-1 pH Gradient High Throughput Kit 5.6 to 10.2. CX-1 pH Gradient High Throughput Kit, pH value: 5.6 to 10.2, 125mL Buffer A + 125mL Buffer B, MAbPac SCX-10 Column (5um, 4 x 50mm), size: 125mL + 125mL, For Use With (Equipment) LC columns and systems