Supelco 28472-U SLB ®-5 ms 毛細(xì)管 GC 色譜柱 SLB®-5ms Capillary GC Column L × I.D. 60 m × 0.25 mm, df 0.25 μm

Supelco SPB®-20 Capillary GC Column 24086 L × I.D. 30 m × 0.25 mm, df 0.25 μm

Supelco SPB®-35 Capillary GC Column 24092 L × I.D. 30 m × 0.25 mm, df 0.25 μm

Supelco Equity ®-1701 毛細(xì)管 GC 色譜柱 28372-U quity®-1701 Capillary GC Column L × I.D. 30 m × 0.25 mm, df 0.25 μm

Supelco 28378-U Equity ®-1701 毛細(xì)管 GC 色譜柱 Equity®-1701 Capillary GC ColumnL × I.D. 30 m × 0.25 mm, df 1.00 μm

Supelco 28382-U Equity ®-1701 毛細(xì)管 GC 色譜柱 Equity®-1701 Capillary GC Column L × I.D. 30 m × 0.32 mm, df 0.25 μm