EPA Method 531.1 - Analytes Mixture

1-Ethyl-4-(2-methylpropyl)benzene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 100319-40-2

(2RS)-2-(4-Ethylphenyl)propanoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3585-52-2

Column Resolution Test Mix C16-C18 2 Analytes, each 1 mass % in n-octane; unit: 5x1mL n-Hexadecane C16 n-Octadecane C18