or
SGE Capillary GC Column BPX50 30MX0.25mmIDX0.25um 50% Phenyl high max temp low bleed GC-MS 0[degree]C to 360/370[degree]C EPA608 SW846-8081 environmental analyses drugs pharmaceuticals replaces DB-17 DB-317ms HP-17 HP-17ms Rtx-50 SPB-50