p-Xylene Back Catalog number: 30591 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-J100 Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane Price on request 53043 Calibration Standard Mix 1 Price on request 682967 Surrogate Mix ISO 27065 and ISO 18889, , , 500ml Price on request