Ammonia as (NH4+) Back Catalog number: 50631 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4582-25-IOX10 Custom PAH Neat Standard Mix 10x1mL Each 25µg/mL in isooctane 0711.10 Naphthalene 0732.12 Acenaphthene 0002.12 Acenaphytlene 0217.13 Fluorene 0816.14 Phenanthrene 1049.14 Antracene 0260.16 Fluoranthene 0235.18 Pyrene 0201.18 Benz[a]antracene 0212. Price on request L12082000CY 4,4´-DDT, 10µg/mL in Cyclohexane, 10ml Price on request S-4054-10K-10XY Dibenzothiophene in Xylene Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO S-4054-0-XY S Price on request