预分离柱

固定相：活性炭，粒径0. 17-0.25 mm(60-80目)

柱管：不锈钢，长0.8m，内径4mm。
型号：HH-Act carbon
应用：GBT 6021-1999 工业用丁二烯液上气相中氧和氩的测定气相色谱法
 

Pre-separation column

Stationary phase: activated carbon, particle size 0.17-0.25 mm (60-80 mesh)

Column tube: stainless steel, 0.8m long, 4mm inner diameter.
Model: HH-Act carbon
Application: GBT 6021-1999 Determination of oxygen and argon in the gas phase above liquid butadiene for industrial use by gas chromatography