介绍一种改进的高效液相色谱柱的装填方法——稀匀浆装填方法。
The improved packing method of columns of high performance liquid chromatography, or the diluted homogenate slurry packing method is introduced.
方法:采用聚酰胺、硅胶柱色谱、高效液相色谱分离化学成分,UV、IR、NMR、MS等方法进行结构鉴定。
METHOD: the chemical constituents were isolated by using polyamide, silica gel column chromatography and HPLC, and the chemical structures were elucidated by UV, IR, NMR and MS.
合成了强阴离子交换及硅胶基质ods键合高效液相色谱(hplc)柱填料。
Ion exchanger and ODS bonded silica gel for HPLC packing were prepared.
从液相色谱过程动力学方程出发,运用电子计算机证明了在线性非理想条件下高效液相色谱体系中不同保留值组分在柱末端峰形的分布基本一致的结论。
According to the equation of chromatographic dynamics, we can get the second central moment and the third central moment of elution curve of HPLC under linear nonideal conditions.
该方法经优化后的条件为:样品经乙腈超声提取,弗罗里硅土柱净化,DAD二极管阵列检测器,经高效液相色谱测定。
The optimized conditions were that the sample was extracted by ultrasonic acetonitrile, cleaned up by Florisil-phase extraction (SPE). HPLC with DAD detector was used for determination.
方法利用硅胶柱色谱、制备高效液相色谱等方法进行分离,根据化合物的光谱数据和理化性质鉴定其结构。
METHODS The compounds were separated by column chromatography with silica gel and prep-HPLC, whoso structures were elucidated on the basis of spectroscopic data and physicochemical properties.
本文介绍了磷脂的各种分析方法,主要是薄层色谱、柱色谱、高效液相色谱和气相色谱法。
Analytical methods of phospholipids, TLC, column chromatography, HPLC and GC are introduced in this paper.
本文介绍了磷脂的各种分析方法,主要是薄层色谱、柱色谱、高效液相色谱和气相色谱法。
Analytical methods of phospholipids, TLC, column chromatography, HPLC and GC are introduced in this paper.
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