IP 391-95 Calibration Curve Set Back Catalog number: 98400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70247 Perylene-d12 Price on request 93543 EPA Method 8141 Standard Price on request 96839-100MG Tris(2,4-di-tert-butylphenyl)phosphate, 100mg Price on request