Phthalic acid, bis-n-undecyl ester, certified, 0.1g Back Catalog number: C16177150 Availability: In the manufacturer's stock Price on request - + Recommended 54132 Total Kjeldahl Nitrogen as N Price on request MA9064 80.000 µS/cm conductivity solution (230mL) Price on request 72336 2-Phenylnaphthalene Price on request