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

Di-p-tolylphenyl phosphate-d14 (p-tolyl-d7),100 µg/mL,isooctane,1mL,

GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.

EPA Method 300.0 Eluent 100 x Concentrate