Nitrate & Nitrite as N Back Catalog number: 54162 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended GHCH g-1,2,3,4,5,6-Hexachlorocyclohexane, 1.2mL x 100ug/mL, nonane Price on request M251612 2-Mercapto-4,5,6,7-d4-benzimidazole, 5mg Price on request BFR-LCS Labelled Compounds Stock Solution, 1.2ml, toluene Price on request