ICP-MS Memory Check Solution B Back Catalog number: 52117 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11157.10-50-ME Perfluorodecane sulfonic acid,50 µg/mL,MeOH,1mL, Price on request 56034 Selenium (Se) Price on request 97251 2,4,4-Trimethyl-2-pentene Price on request