加工定制:是 | 品牌:翔鹰技术 | 型号:S-X3 20*300GPC |
测量范围:ppm | 测量对象:食品 | 控温范围:100℃ |
尺寸:300mm | 重量:1.2kg |
Principle of GPC gel chromatography:
Chromatographic technique based on separation of solute molecular size. When the sample is analyzed with the leaching solvent into columns, solute molecules to internal pore diffusion filler. In addition to the smaller molecules can enter a large hole, but also into the smaller holes, larger molecules can only enter the larger pores, and larger molecules can only stay in the gap between the filler particles. Therefore, with the solvent leaching, molecules of different sizes so as to obtain separated, larger molecules to be leached out, late of smaller molecules are leached out.
S-X3 stainless steel gel purification column 20*300mm
GPC凝胶色谱的原理:
根据溶质分子大小进行分离的色谱技术。当被分析的试样随着淋洗溶剂引入柱子后,溶质分子即向填料内部孔洞扩散。较小的分子除了能进入大的孔外,还能进入较小的孔;较大分子则只能进入较大的孔;而比的孔还要大的分子就只能留在填料颗粒之间的空隙中。因此,随着溶剂的淋洗,大小不同的分子就得到分离,较大的分子先被淋洗出来,较小的分子较晚被淋洗出来。