Type F-300, lyophilized powder, ≥130 units/mg protein (biuret)
lyophilized powder, ≥350 units/mg protein, Protein ≥10 % by biuret
Type VII, lyophilized powder, ≥50 units/mg protein
lyophilized powder, ≥250 units/mg protein
buffered aqueous solution, ≥75 units/mg protein (biuret)
lyophilized powder, 50-100 units/mg protein
lyophilized powder, 25-75 units/mg protein
300-600 units/mL, ammonium sulfate suspension