4,4´-Diamino-3,3´-dimethyldiphenyl methane, certified, 0.1g

Chlorpropham, 100 µg/ml, Ethyl acetate, 5ml

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

Trigonelline hydroiodide