Calibration Standard Kit Back Catalog number: 52090 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended A15935000WL-100 Penicillin G potassium, 100µg/mL in Acetonitrile, 1ml Price on request C15930000 Pendimethalin, 100mg Price on request 681681 2,6-D, 10.0 µg/ml, Acetonitrile, 10ml Price on request