Metals Standard Back Catalog number: 59102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678228 13C-15N-AMPA, 100 µg/ml, Water, 1ml Price on request XA11940200AC 2,4-D 13C6, 100µg/ml in Acetone, 1ml Price on request 3413.16-100-CY Haloxyfop Price on request