Custom Internal Standard Mix Back Catalog number: 96806 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675105 Sodium p-n-undecylbenzenesulfonate, 10.0 µg/ml, M Price on request 27013 EPA Method 8260B - Purgeable Internal Std Price on request 8908.14-100-T 3-Methyl-2,2',4,4'-tetrachlorodiphenylmethane Price on request