2,2',4,4',5-Pentachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane

Ethanol, 2000µg/ml in Water, 1ml

Deuterated Nitrosoamines

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