Turbidity Standard Back Catalog number: 50798 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0727.12-K-IO 1,8-Dimethylnaphthalene, 1000µg/ml in Isooctane, 1ml Price on request 73327 Perfluoroheptanoic acid [PFHpA] Price on request 12004.22-K-IO Butylcyclohexyl phthalate (Mixture with dibutyl and dicyclohexyl phthalates),1000 µg/mL,isooctane,1mL, Price on request