Spiking Standard 3 Back Catalog number: 53072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2365.15-K-IO 4-Nonylphenol, mixture of isomers, Type B, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 84852-15-3 Price on request 677783 beta-Estradiol hemihydrate, 100 µg/ml, Methanol, Price on request 8228.10-100-CY Tri-allate Price on request