Caffeine, 100 µg/ml, Methanol, 1ml Back Catalog number: 677301 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended EPA-8280RS Recovery Standard Solution, 5ng/µl in Nonane/20% toluene, 1,2ml Price on request 3162.15-K-IO Methyl tetradecanoate (Methyl myrististate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 124-10-7 Price on request 36055 EPA Method 552.2 - Haloacetic Acids, 1000µg/ml in in MTBE, 1ml Price on request