Method EN12916 and IP391 LC Standard Calibration Standard Kit, 4 x 1mL

Ampoule A contains 40mg/mL o-xylene, 20mg/mL fluorene, 4mg/mL phenanthrene in n-heptane. Ampoule B contains 10mg/mL o-xylene, 10mg/mL fluorene, 2mg/mL phenanthrene in n-heptane. Ampoule C contains 2.5mg/mL o-xylene, 2.5mg/mL fluorene, 0.5mg/mL phenanthrene in n-heptane. Ampoule D contains 0.5mg/mL o-xylene, 0.2mg/mL fluorene, 0.1mg/mL phenanthrene in n-heptane.