Albumin, Bovine Serum, Fatty Acid Free, is our highest purity albumin specifically designed for use in all applications, including Immunology, Tissue Culture and Microbiology. Produced in the USA. Applications include Immunohematology, Serology, RIA, Blood Banking, ELISA Blocking and Protein Control formulation. Appearance: White to tan powder Albumin: 98% Fatty Acid: 0.05% IgG: None Detected pH: 6.7-7.3 Moisture: 5% Protease: None Detected Endotoxin: 3EU/mg Conductivity (10%): 3000uS Sterility: Filtered before lyophilization through a 0.2um membrane filter. Sodium (10%): As reported Chloride (10%): As reported Calcium (10%): As reported Iron (10%): As reported Vesicular Stomatitis Virus: Negative Bluetongue Virus: Negative Microbial Growth: 3CFU/ml Country of Origin: United States Certificate of Origin: All raw material used in the manufacturing of Bovine Serum Albumin, Fatty Acid Free is of United States origin and was manufactured in USDA-registered plants.