SPCC Class IV- Method 8261 Back Catalog number: 82470 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673667 Piperonyl butoxide, 10 µg/ml, Ethyl acetate, 10m Price on request M3PFBS Sodium perfluoro-1-[2,3,4-13C3]butanesulfonate, 50µg/ml in MeOH, 1,2ml Price on request 94422 EPA Method 8270 Additionals Price on request