Method 1640 Tuning Standard

1,3-Dibromobenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 108-36-1

Bensulfuron-methyl, 100 µg/ml, Acetonitrile, 1ml

Diethyl succinate, 1g