Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 0721.12-K-IO 1,2-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 573-98-8 Price on request S-4589-100-T 15+1 EU PAH Cocktail 16 Analytes, 100µg/mL each in toluene, 1x1mL ampoule. Benzo[a]pyrene 0239.20 Benz[a]anthracene 0201.18 Benzo[b]fluoranthene 0263.20 Benzo[j]fluoranthene 0264.20 Benzo[k]fluoranthene 0265.20 Benzo[ghi]perylene 0222.22 Chrysene 02 Price on request C16178500 Phthalic acid, hexyl-2-ethylhexyl ester, certified, 0.1g Price on request