Multi-Element Check Standard Back Catalog number: 59001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4331-ASS-NO S-4331 B[a]P/HCB Internal Standard (solvent - Nonane) Product Concentration Hexachlorobenzene-13C6 10 µg/mL 1088,20 Benzo[a]pyrene-d12 100 µg/mL Solvents: n-Hexane Price on request 2539.8-K-ME 4-Hydroxyisophthalic acid (4-Hydroxybenzene-1,3-dicarboxylic acid), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 636-46-4 Price on request 677816 Ethoprophos, 10.0 µg/ml, Acetonitrile, 10ml Price on request