TFNA, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 681202 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 93432 Appendix II Volatile Standard Price on request 53331 EPA Method 6020 / 6020A - Mix B Price on request 70468 2,4-Dichlorophenylacetic acid methyl ester Price on request