Calibration Standards Set Back Catalog number: 53016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678258 15N3-Simazine, 100 µg/ml, Acetonitrile, 1ml Price on request 72656 Isopropylamine Price on request 678078 Phenkapton, 100 µg/ml, Acetonitrile, 1ml Price on request