Method 1640Mix A

1,4-Dihydroxy-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 81-64-1

Chlorobenzilate, 100 µg/ml, Acetonitrile, 1ml

Atrazine-2-hydroxy D5, 100µg/mL in MeOH, 1,1ml