Nitrite (NO2-) as N Back Catalog number: 50120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0378.12-K-T Carbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 86-74-8 Price on request 59765 Potassium Chloride Modifier (K) Price on request 12011.6-1ML Triethylamine,neat,neat,1mL, Price on request