Instead of stainless steel packed column, capillary column can overcome the problem of the adsorbablty and the unstablity during measurng DEG content, obtain more stable and accurate results.

• 用玻璃毛细管柱代替不锈钢填充柱在色谱仪上进行二甘醇含量测定，可以克服原不锈钢柱存在的吸附、不稳定现象，提高分析的稳定性及准确度。