Carminic acid (E120), certified, 0.1g

Picric acid, 100 µg/ml, Acetonitrile, 10ml

Chlormequat chloride 1,1,2,2-D4, certified, 5mg

1,2,7,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane