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TR-225 GC Column 60m x 0.25mm ID, 0.25μm Film
GsBP-1MS毛细管柱
DB-Petro毛细柱
ASTM135C
forte™BPX-Volatiles
DB-WAXetr毛细柱
ASTM58C
气相色谱柱,TG-POLAR30mx0.32mmx0.2μm
Elite-XLB,Length:25m,InnerDiameter:0.20mm,FilmThickness:0.33μm,TemperatureLimits:30to340/360°C
气相色谱柱,TG-5SILMS60mx0.25mmx1μm
气相色谱柱,TRACETR-1701气相柱,30m,0.25mmID,0.25μm液膜厚度