ICP-MS Memory Check Solution B Back Catalog number: 53117 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-G Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 73309 Methyl 11-eicosenoate (C20:1n-9) Price on request 14728.22-K-AN Δ9-THC Carboxylic Acid A, 1000µg/ml in Acetonitrile, 1ml Price on request