葡聚糖凝胶柱 ( sephadex column )使用及注意事项关键词：聚糖凝胶 葡聚糖凝胶柱 此外上柱样品损失很少，对处理小样品较好，这也是我们实验室常用的原因之一。 2
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产物经葡聚糖凝胶柱分离紫外分光光度法和原子吸收分光光度法分别测定其丝裂霉素含量和磁流体含量。
Contents of MMC and magnetic fluid in the magnetic pro-drug were measured by gel filtration chromatography and atomic absorption spectrophotometry, respectively.
方法：采用反复硅胶柱色谱、葡聚糖凝胶色谱等分离纯化，通过理化常数和波谱分析鉴定其化学结构。
Methods:The isolation and purification were carried out by repeated silica gel column chromatography, and the chemical structures were determined by physicochemical properties and spectral analysis.
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