Mass-Labelled PCDD/PCDF Solution Mixture, 1.2ml, nonane Back Catalog number: NK-LCS-O Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended WP-ISS Internal Standard Solution, 1.2ml, nonane Price on request T308515-10MG 2'-(2H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-carboxylic Acid, 10mg Price on request 30081 EPA Method 505 Analytes Price on request