13C3-Caffeine, 100 µg/ml, Methanol, 1ml

Aldicarb-sulfone, 10.0 µg/ml, Acetonitrile, 10ml

Atraton, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1610-17-9

n-Alkanes C14-C32 (even + pristane/phytane) 12 Analytes, each 1000 µg/mL in isooctane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the even n-paraffins + pristane and phytane.