Analysis Note

Concentration of analyte in solution is µg/mL ± 0.5%, uncertainty based upon balance and Class A volumetric glassware.

Components

Compound concentrations (mg/kg) and molecular weights (g/mol)•Hexamethoxyphosphazene: 0.602; 321.14•Hexakis(2,2-difluorŒthoxy)phosphazene: 5.854; 621.19•Hexakis(1H,1H,3H-tetrafluoropropoxy)phosphazene: 23.095; 921.23•Hexakis(1H,1H,5H-octafluoropentoxy)phosphazene: 38.153; 1521.33•Hexakis(1H,1H,7H-dodecafluoroheptoxy)phosphazene: 53.230; 2121.42•Hexakis(1H,1H,9H-perfluorononyloxy)phosphazene: 68.281; 2721.51•2,4,6-Tris(heptafluoropropyl)-1,3,5-triazine: 5.509; 585.11•Betaine: 5.891; 117.15•Ammonium trifluoroacetate: 328.909; 131.05Solvent composition (kg/kg): •Acetonitrile: 93.7%•Deionized water: 6.3%