Potassium sorbate, 250mg Back Catalog number: 673083 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-E200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 53089 Calibration Standard Kit Price on request 66137 2,2',3,4,4',5-Hexachlorobiphenyl (137) Price on request