Turbidity (100 NTU) Back Catalog number: 50639 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10205.10-100MG n-Propyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 94-13-3 Price on request 96892 Semi-Volatile Mix Price on request 59260 Copper (Cu) Price on request