Anions Mix Back Catalog number: 59209 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1528.12-100-IO Dibenzofuran-d8, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93952-04-6 Price on request 2125.12-10-IOX5 Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11104-28-2 Price on request 50627 Nitrite (NO2-) as N Price on request