Extended Calibration/Low Level Solution ((CS1)/2) , 500ul, nonane

Butachlor ESA sodium salt, 100µg/ml in MeOH, 1ml

d2 C27/C28 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. -/205529-81-3

D8-9,10-Anthraquinone, 100 µg/ml, Acetonitrile,