QC Standard 4 Back Catalog number: 53087 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673417 Promecarb, 100 µg/ml, Acetonitrile, 5ml Price on request 674637 D6-Captan, 100 µg/ml, Acetonitrile, 1ml Price on request 52102B ICP-MS Verification Kit Price on request