Internal Standard - Surrogate Mix Back Catalog number: 96032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673206 Azinphos-methyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request 73206 5-Chloro-2-methoxyaniline Price on request 51215 ASTM D1319 Calibration Standard Price on request