Strontium (Sr) Back Catalog number: 57138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673397 Nitenpyram, 100 µg/ml, Acetonitrile, 5ml Price on request 680342 Bis(2-ethylhexyl) phthalate, 10.0 µg/ml, Cyclohex Price on request 678382 4,4'-DDT, 100 µg/ml, Acetonitrile, 5ml Price on request