IP 391-95 Calibration Curve Set Back Catalog number: 98400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52100 ICP-MS Verification Standard #1 Price on request 682865 Isovaleric acid, 1000mg Price on request 3590.14-K-IO Mono-n-hexyl phthalate Price on request