p-Xylene, 5ml Back Catalog number: 679930 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 59364 Nitrate (NO3-) as N Price on request 56120 Calcium (Ca) Price on request MPN-74 1,2,3,4,5,6,8-Heptachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request