Copper (Cu) Back Catalog number: 50743 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50683 Nitrite Single as (NO2-) Price on request 12207.18-100G Zearalenone in corn, low level,Please enquire,corn,100g, Price on request 681917 Prallethrin, 10.0 µg/ml, Acetonitrile, 10ml Price on request