Interference Standard 4 Back Catalog number: 53041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94747 4,4’-Oxydianiline Price on request 64688 Chlorpyrifos, 100µg/mL in MeOH, 1ml Price on request L15620200CY trans-Nonachlor, 10µg/mL in Cyclohexane, 10ml Price on request