Spiking Standard 5 Back Catalog number: 53071 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3427.15-100-CY Isofenphos Price on request 2513.9-K-ME Acetylsalicylic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-78-2 Price on request 52151 CLP Calibration Std. III Price on request