Internal Reference Standard Back Catalog number: 52187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679254 EGDN, 100 µg/ml, Acetonitrile, 1ml Price on request 59296 Multi-Element ICP Standard Price on request 95614 Method 8081LCS/MS/MSD Spike Solution Conc Price on request