System Performance Standard, in Heptane, 1x5ml Back Catalog number: ASTM-P-0135 Availability: In the manufacturer's stock Price on request - + Recommended D434670 1-(2,6-Dichloro-4-hydroxphenyl)-1,3-dihydroindol-2-one, 2mg Price on request DFP-SS-A Mass-Labelled PCDD/PCB Sampling Spike, 1.2ml, nonane Price on request DF-LCS-C200 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request