Interference Standards Set Back Catalog number: 53038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11157.10-10MG Perfluorodecane sulfonic acid,neat,neat,10mg, Price on request 8845.7-K-IO 2-Isopropylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 676794 4-n-Octylphenol-di-ethoxylate, 1 µg/ml, Acetone, Price on request