LFS Solution Kit Back Catalog number: 52063 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90506 Benzo(e)pyrene,2000µg/ml in methylene chloride,1ml Price on request C521002 Citric Acid-2,2,4,4-d4, 10mg Price on request 674567 Fenitrothion-oxon, 10mg Price on request