or
SGE Capillary GC Column BP21(FLAP) 25MX0.22mmIDX0.25um Polyethylene Glycol (PTA Treated) 20[degree]C to 240/250[degree]C volatile free fatty acids alcohols fatty acid methyl esters solvents DB-FFAP Stabilwax-DA HP-FFAP 007-FFAP CP-FFAP CB