Turbidity Standard (400 NTU) Back Catalog number: 54122 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10280.10-100-MT Chlordecone Price on request 0010.13-10MG Perinaphthenone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 548-39-0 Price on request 70941 2-Propanol Price on request