Nitrite (NO2-) as N Back Catalog number: 50120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4131-1MLX5 Validation Mixture for Oxygenates and PONA 33 Analytes each Wt.% s listed; units: 1x1mL, 5x1mL neat Use this standard to monitor and make adjustments to the total operation of the system. Name Wt.% Price on request 2587.32-10UG Dinaphtho[2,1,8,7-defg;2',1',8',7'-opqr]pentacene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 188-91-0 Price on request 8628.31-10UG 3ß,17 alpha(H),21 alpha(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. Price on request