Interference Standards Set Back Catalog number: 53038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679703 13C3-Melamine, 10mg Price on request YA18001611AL DNPH-Mix 2, 215-700µg/mL in Acetonitrile, 1ml Price on request CA12670200 Dimethachlor ESA sodium salt, 10mg Price on request