Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676138 1,4-Dioxane, 5ml Price on request 94126 GC Suitability Test Sample Flavor Chemicals Price on request 679577 Picric acid, 100 µg/ml, Acetonitrile, 10ml Price on request