Turbidity Standard (100 NTU) Back Catalog number: 50385 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685002 3,3'-Thiodipropionic acid didodecyl ester, 250mg Price on request DF-149-S 1,4,9-Trichlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request FHXSA-I Perfluoro-1-hexanesulfonamide, 1.2ml x 50ug/ml, isopropanol Price on request