Turbidity Standard (400 NTU) Back Catalog number: 54122 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-C200 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 18000-0037-100AN5 Allopurinol, 100µg/ml in Acetonitrile, 5ml Price on request 3413.16-100-AN Haloxyfop Price on request