Mineral Spike Back Catalog number: 50420 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72052 trans-1,3-Dichloropropene-d4 Price on request 674511 D3-Mepiquat iodide, 100 µg/ml, Deuterium oxide, Price on request DF-IS-G40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request