Turbidity (2.0 NTU) Back Catalog number: 50778 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H268700 Heptadecafluorooctanesulfonic Acid Potassium Salt, 500mg Price on request 1135.15-K-IO n-Pentadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-62-9 Price on request L12985000CY Disulfoton-sulfone, 10µg/mL in Cyclohexane, 10ml Price on request