8082LCS / Matrix Spike Back Catalog number: 92214 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59433 Sulfide (S) Price on request 79856 Benzotriazole, 1000µg/ml in MeOH, 1ml Price on request 2805.11-10MG 4-Methyl-1-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 10240-08-1 Price on request