Turbidity (100 NTU) Back Catalog number: 50639 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673934 Fipronil, 10.0 µg/ml, Acetonitrile, 10ml Price on request 52013A Calibration Standard Mix 4 Price on request 79173 Trifluralin Price on request