Interference Standards Set Back Catalog number: 52038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10652.22-100MG Oxytetracycline, 96%,neat,neat,100mg, Price on request 684366 Buturon, 100 µg/ml, Acetonitrile, 5ml Price on request 35001 EPA Method 524.2 - Gases & Liquids Price on request