Swep, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 674570 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-J100 Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane Price on request 10334.10-100-ME 1-(4-Methoxyphenyl)piperazine Price on request 30064R EPA Method 502/524 High Conc VOC Mix #7 Price on request