Potassium (K) Back Catalog number: 59284 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0363.8-100MG 2-n-Butylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1455-20-5 Price on request EDF-9999-1 Method 1613 Calibration Solution [CS1], in Nonane, 0,2ml Price on request 0449.14-500-IO 2,8-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1207-15-4 Price on request