NWTPH-Gx Surrogate Mix Back Catalog number: 51139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680337 Dichloroacetic acid, 100 µg/ml, Acetonitrile, 1m Price on request 2778.10-100-CY Heptachlor-exo-epoxide (cis-) Price on request MTBBPA 3,3',5,5'-Tetrabromobisphenol-A [rings; 13C12], 50µg/ml in MeOH, 1,2ml Price on request