or
Rtx -624 GC Column For analysis of organic compounds using a GC/MS system. Phase composition: cro'bonded 6% cyanopropylphenyl 94% dimethylpolysiloxane. Range: -20 to 240[degree]C. ID: 0.53mm. Length: 30m. Film Thckne': 3.00um. For EPA methods 502.2 524