Lake Michigan fish tissue -Org. contaminants, 5x8g Back Catalog number: NIST-1947 Availability: In the manufacturer's stock Price on request - + Recommended C13213000 17-alpha-Estradiol, certified, 0.1g Price on request S-4217-10K-AC ISO 9377-2 Quality Control Standard of Mineral Oils A+B 1000 µg/mL in acetone (500 µg/mL of each A and B), 1x1mL, 5x1mL, 10x1mL 4000 µg/mL in acetone (2000 µg/mL of each A and B), 1x1mL, 5x1mL, 10x1mL 10 000 µg/mL in acetone, (5000 µg/mL of each A Price on request 94746 4,4’-Thiodianiline Price on request