Strontium (Sr) Back Catalog number: 58138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58015 Phosphorus (P) Price on request 36004 EPA Method 8260 Volatile Standard Price on request 11672.12-100-IO 2,2',6-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request