Exaxol 10 Component, Mixed Calibration Standard 1A in 5% HNO3, EPA 200.7

10-Component Mixed Calibration Standard 1A, EPA 200.7 by Exaxol, catalog numbers 74MX1A-100 and 74MX1A-500, is a 10-element mixed calibration standard (mix 1A) in 5% nitric acid for EPA 200.7 ICP-OES. Available in 100 mL and 500 mL from MBP, a registered vendor to many research institutes across the USA.