EPA Method 552,552.1,552.2 Internal Std Back Catalog number: 30105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0158.15-500-IO 2,4,7-Trimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 216983-03-8 Price on request CJ30H Streptavidin-HRP Conjugate ELISA, 100mL 5 295,75 € 3 971,82 € 71588 1-Ethyl-2-pyrrolidinone, 1000µg/ml in MeOH, 1ml Price on request