Ammonia as (NH4+) Back Catalog number: 54214 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended OMT-001 Organometallic Butyltin Chloride, 2000 µg/mL in CH2Cl2, 1ml Price on request 9432.21-100-CY trans-Permethrin (isomer mix) Price on request 8741.24-K-IO Di-isooctyl phthalate (mixture of C8-isomers), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 27554-26-3 Price on request