Supelco SPB-5 毛細(xì)管氣相色譜柱 24049 SPB®-5 Capillary GC Column L × I.D. 30 m × 0.32 mm, df 1.00 μm

Supelco 25317 SPB®-5 毛細(xì)管氣相色譜柱 SPB®-5 Capillary GC Column L × I.D. 30 m × 0.53 mm, df 0.50 μm

Supelco 25304 SPB®-5 毛細(xì)管氣相色譜柱 SPB®-5 Capillary GC Column L × I.D. 15 m × 0.53 mm, df 1.50 μm

Supelco 25305-U SPB®-5 毛細(xì)管氣相色譜柱 SPB®-5 Capillary GC Column L × I.D. 30 m × 0.53 mm, df 1.50 μm

Supelco 25347 SPB®-5 毛細(xì)管氣相色譜柱 SPB®-5 Capillary GC Column L × I.D. 30 m × 0.53 mm, df 5.00 μm

Supelco PB®-5 毛細(xì)管氣相色譜柱 25350 SPB®-5 Capillary GC Column L × I.D. 60 m × 0.53 mm, df 3.00 μm