SPB-1氣相毛細管色譜柱 SPB-1 Capillary GC Column L × I.D. 30 m × 0.53 mm, df 3.00 μm

SPB-1氣相毛細管色譜柱 SPB-1 Capillary GC Column L × I.D. 60 m × 0.53 mm, df 1.50 μm

25417 SPB-1氣相毛細管色譜柱Supelco SPB-1氣相毛細管色譜柱 SPB-1 Capillary GC Column L × I.D. 30 m × 0.53 mm, df 1.00 μm

Supelco 25382 SPB-1氣相毛細管色譜柱 SPB-1氣相毛細管色譜柱

SPB-1氣相毛細管色譜柱 SPB-1 Capillary GC Column L × I.D. 15 m × 0.53 mm, df 0.50 μm

SPB-1氣相毛細管色譜柱 SPB-1 Capillary GC Column L × I.D. 30 m × 0.53 mm, df 0.10 μm