Turbidity (400 NTU) Back Catalog number: 50384 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684978 Bioresmethrin, 100 µg/ml, Ethyl acetate, 5ml Price on request 673392 Monolinuron, 10.0 µg/ml, Acetonitrile, 10ml Price on request 57068 Erbium (Er) Price on request