CWA Nitrate & Nitrite Back Catalog number: 55130 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDD-23 2,3-Dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request 52041A Interference Standard 4 Price on request 1133.13-K-ME n-Tridecane Price on request