Nitrate & Nitrite as N Back Catalog number: 54162 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685128 Ethylisopropylnitrosamine, 100 µg/ml, Methanol, Price on request 98233 Benzene [10 ppm] Price on request 10103.10-100-ME trans-1,2-Dihydroxy-1,2-dihydronaphthalene-13C6,100 µg/mL,MeOH,1mL, Price on request