Interference Standard 1 Back Catalog number: 53039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673310 Fosthiazate, 10 µg/ml, Acetonitrile, 10ml Price on request 59970 Anion Standard Price on request LA20030300IO PCB-Mix 3, 10µg/mL in Isooctane, 1ml Price on request