Turbidity Standard (100 NTU) Back Catalog number: 50385 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2862.7-50-ME 7H-Perfluoroheptanal, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 647-44-9 Price on request 681257 trans,trans-Muconic acid, 100mg Price on request 31251 1,1-Dichloroethene, 2000µg/ml in MeOH, 1ml Price on request