Turbidity Standard (100 NTU) Back Catalog number: 50385 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681331 Hexanitrodiphenylamine, 100 µg/ml, Acetonitrile, Price on request 2633.27-5UG 17ß(H),21ß(H)-25,28,30-Trisnorhopane (in mixture with 2632.27 (ß alpha-)), neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 92692-42-7 Price on request C14074000 delta-HCH, certified, 50mg Price on request