亲水作用色谱分离表阿霉素时,在中性及弱酸性条件下,样品在硅胶柱上呈现不可逆吸附平衡过程。
The silicagel column has showed an irreversible adsorption equilibrium for epirubicin and its analogues with slightly acidic or neutral mobile phases in hydrophilic interaction chromatography (HILIC).
采用80%的酸性乙醇提取、硅胶柱层析分离、乙醚分级沉淀、丙酮重结晶的工艺方法,从苦参中分离得到氧化槐果碱单体。
Besed on the extract with 80% acidities alcohol, separation by silica gel, precipitation by ether, oxysophocarpine was obtained from Sophora flavescens.
以陶瓷纤维纸为基材,顺次经水玻璃、酸性硫酸氧钛溶液浸渍共沉淀制得新型蜂窝状陶瓷基钛掺杂硅胶块体吸附剂。
Novel Ti-doped silica gel adsorptive materials were prepared by treating ceramic fiber paper with the sequential impregnation of water glass and the aqueous solution of acidic titanium salt.
以陶瓷纤维纸为基材,依次经水玻璃、酸性钛盐溶液浸渍制得新型钛掺杂硅胶吸附材料。
Novel Ti-doped silica gel adsorptive materials were prepared by treating ceramic fiber paper with the sequential impregnation of water glass and the aqueous solution of acidic titanium salt.
采用以a-酸性糖蛋白键合硅胶为固定相的手性色谱柱,0。
A chiral column with a-acid glycoprotein bounded to silica as stationary phase was used with mobile phase of 0.
采用以a-酸性糖蛋白键合硅胶为固定相的手性色谱柱,0。
A chiral column with a-acid glycoprotein bounded to silica as stationary phase was used with mobile phase of 0.
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