MA - EPH Fractionation Surrogate Spike Back Catalog number: 51039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11907.20-100MG Fluorescein disodium salt dihydrate, 90%,neat,neat,100mg, Price on request A11457554CY-100 Chloroparaffin C14 55% Cl, 100µg/mL in CY, 1ml Price on request 1980.17-K-IO 2-(4-Nonylphenoxy)acetic acid isomer mixture, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 3115-49-9 Price on request