Strontium (Sr) Back Catalog number: 58138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3070.29-10UG 17ß(H),21 alpha(H)-30-Norhop-2-ene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 10379-57-4 Price on request 3566.18-10MG 5,12-Naphthacenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1090-13-7 Price on request NK-LCS-T Mass-Labelled PCDD/PCDF Solution Mixture, 1.2ml, nonane Price on request