Strontium (Sr) Back Catalog number: 56138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1551.21-K-IOX10 n-Heneicosane-d44, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 39756-37-1 Price on request 93624 MA - VPH Matrix Spike #2 Rev 1.1 Price on request 683093 Trinexapac-ethyl, 100 µg/ml, Acetonitrile, 5ml Price on request