Atrazine D5, 100 µg/mL in Acetone, 1ml

Methylcycloheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 4126-78-7

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-5, Cas.no.

Sodium perfluoroethanesulfonate, 50µg/ml in MeOH, 1,2ml