1000ug/mL each component in Methylene chloride. Standard contains: n-Decane, n-Undecane, n-Dodecane, n-Tridecane, n-Tetradecane, n-Pentadecane, n-Hexadecane, n-Heptadecane, n-Octadecane, n-Nonadecane, n-Eicosane, n-Heneicosane, n-Docosane, n-Tricosane, n-Tetracosane, n-Pentacosane. 1.5mL per ampule. Stores at room temperature. A NIST Traceable Reference Material.
