Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 9030.6-K-IO 1,2,4-Trichlorobenzene-d3, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2199-72-6 Price on request 54265 Phosphate (PO43-) as P Price on request 673188 Aldicarb, 10 µg/ml, Acetonitrile, 10ml Price on request