2) wax fractiontion process
蜡分馏法
3) extraction and fraction
萃取分馏法
1.
The application of classical liquid chromatography,high pressure liquid chromatography,thin layer chromatography,supercritical fluid extraction and fraction,wave spectrum method and spectrum method for the analysis of residue group composition in recent ten years are reviewed.
介绍了近十年来经典液相色谱法、高效液相色谱法、薄层色谱法、超临界流体萃取分馏法、波谱法和光谱法在渣油族组成分析中的应用。
4) molecular distillation
分子蒸馏法
1.
METHODS The volatile oil was extracted and separatedfrom Elsholtzia rugulosa by supercritical CO_2fluid-molecular distillation,and the chemical components were determined by GC-MS analysis.
方法:通过超临界流体二氧化碳萃取-分子蒸馏法提取和分离香芝麻蒿挥发油,并运用GC-MS法分析鉴定其化学成分。
2.
To supply a reliable base for commercial process,the pilot test process conditions of the α-ethyl linolenate,which was purified by way of ethyl esterification and molecular distillation,had been discussed.
研究确定了乙酯化及分子蒸馏法提纯α-亚麻酸乙酯中试的工艺条件等,以期为其工业化生产提供可靠的依据。
5) carrier distillation method
载体分馏法
6) predistilled colorimetric analysis
蒸馏比色分析法
补充资料：载体分馏法
分子式：
CAS号：
性质：在发射光谱电弧法中，石墨电极小孔中放入粉末状试样，并加入某种载体物质，以便加快待测元素的蒸发速度，并抑制基体蒸发，达到待测元素与基体的分馏，从而提高方法的灵敏度和消除基体的干扰。
CAS号：
性质：在发射光谱电弧法中，石墨电极小孔中放入粉末状试样，并加入某种载体物质，以便加快待测元素的蒸发速度，并抑制基体蒸发，达到待测元素与基体的分馏，从而提高方法的灵敏度和消除基体的干扰。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条