or
SGE Capillary GC Column BP624 30MX0.22mmIDX1.20um volatiles analysis cyanopropylphenyl 0[degree]C to 230/240[degree]C standard volatiles column alcohols solvents EPA624 EPA502.2 SW-846 8260 EPA524.2 replaces DB-624 Rtx-Volatiles Vocol HP-6