6020Low Intermediate Standard Back Catalog number: 50649 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PCB-IS-A20 Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane Price on request XA10330000AL Atrazine, 100µg/mL in Acetonitrile, 1ml Price on request XA13645000AL Fipronil, 100µg/mL in Acetonitrile, 1ml Price on request