Ammonia as (NH4+) Back Catalog number: 50630 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0138.16-K-IO 2,2',5,5'-Tetramethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3075-84-1 Price on request 71112 Swep Price on request S-4266-ASS-5HP IP 436-98 Resolution Standard 3 Analytes, each Wt.% as listed in n-Heptane; units: 1x5mL, 5x5mL Cyclohexane 10.0 mg/mL o-Xylene 5.0mg/mL 1-Methylnaphtalene 0.5mg/mL Price on request