Components: Albumin, bovine serum, 66,000 MW 1 vial; Alcohol Dehydrogenase, yeast, 150,000 MW 1 vial; β-Amylase, sweet potato, 200,000 MW 1 vial; Apoferritin, horse spleen, 443,000 MW 1 vial; Blue dextran, 2,000,000 MW 1 vial; Carbonic Anhydrase, bovine erythrocytes, 29,000 MW 1 vial; Technical Bulletin MW-GF-1000; Thyroglobulin, bovine, 669,000 MW 1 vial