1) retrieval cue
提取线索
2) Soxhlet's extraction
索氏提取
1.
High purity of citral was obtained by Soxhlet's extraction,and both the yield and purity were increased compared with traditional chemical methods.
采用不同于传统纯化柠檬醛的方法,避开了化学纯化方法中使用强碱和物理方法中采用减压精馏的方式,利用索氏提取原理,在比较低的温度下(60℃),获得了高纯度的柠檬醛(98%以上)。
2.
In this article,PAHs on the atmospheric particles in a manufacturing district in Xi'an are determined by Soxhlet's extraction and GC/MS.
采用索氏提取器提取大气颗粒样品中的多环芳烃,并用色谱/质谱联用技术(GC/MS)测定了西安市某工业区大气中多环芳烃(PAHs)的含量,并以西安市某生活区作为对照区分析了该工业区PAHs的主要来源,测得工业区采样点大气颗粒物中8种PAHs浓度范围为86。
3) soxhlet extraction
索式提取
1.
By comparing Soxhlet extraction with ultrasonic method,conclusion has been obtained that Soxhlet method is suitable for extracting multiple persistent organic pollutants from oil using acetone and petroleum ether as tactant and eluant in a proportion of one to one and with a recovery rate between 70%~90%,whereas ultrasonic method can be used for individual POPs,which needs less tim.
将国内最常用的两种提取方法--索式提取和超声波提取进行比较,结果表明了索式提取的方法更适合从土壤中提取多种持久性有机污染物,提取剂和洗脱剂可选比例1:1的丙酮和石油醚,回收率可在70%~90%之间;而超声波提取的方法比较适合从土壤中提取个别的持久性有机污染物,如op′-DDT和pp′-DDT,节省实验时间,试剂使用量少,回收率也可在50%以上。
2.
The technology studied the de-fat and decolorization and deodorization from silkworm chrysalis with organic solvent(petrol, benzene, ether, 100%ethanol, acetone) by soxhlet extraction and soak extraction.
采用了索式提取法与浸泡提取法,以有机溶剂(汽油、苯、乙醚、无水乙醇、丙酮)对蚕蛹进行脱脂、脱色、除臭研究。
4) Soxhlet extraction
索氏提取
1.
Determination of Total Se and Se(Ⅳ) in Chinese Herbs by Soxhlet Extraction-Hydride Generation-Atomic Fluorescence Spectrometry;
索氏提取-氢化物发生-原子荧光法测定中草药中总硒和硒(Ⅳ)
2.
Study of Soxhlet extraction of polycyclic aromatic hydrocarbons on airborne particulate;
大气颗粒物中多环芳烃的索氏提取研究
3.
Study on Extracting Trehalose from Beer Waste Yeast with Soxhlet Extraction Method;
用索氏提取法从废酵母中提取海藻糖的工艺
5) Soxhlet method
索氏提取
1.
With the yield of concentration of sulfur compound as the evaluation index,the contrast between onion essential oil and onion oleoresin from dried onion powder by steam distillation,solvent extraction and Soxhlet method was studied.
以洋葱粉为研究对象,以含硫化合物浓度为评价指标,采用水蒸汽蒸馏、溶剂萃取法和索氏提取法进行洋葱精油与油树脂的比较研究。
2.
Compared with Soxhlet method and supercritical carbon dioxide extraction, microwave extraction of orrisroot is a rapid method (about 120 s) with less solvent consumption (about 160 mL/40g orrisroot),higher yield (about 10%) and better product with good color and aroma.
微波萃取、索氏提取和超临界二氧化碳萃取鸢尾的比较结果表明 ,微波萃取法具有萃取时间短 (约 12 0s) ,提取率高 (约 10 % ) ,溶剂用量少 (约 16 0mL 40g原料 ) ,产品香气纯正等优点。
6) Soxhlet extraction method
索氏提取法
1.
Methods The chemical components of Propolis(Gansu) extracts separated by Soxhlet extraction method were analyzed comparatively by GC-MS.
方法采用气相色谱-质谱联用(GC-MS)法对甘肃产蜂胶索氏提取法所得乙醚提取物进行分析。
2.
Methods: The volatile components extracted from Chinese Propolis by Soxhlet extraction method, Ultrasonic extraction method, Infusion extraction method and Steam-distilled extraction were comparatively analyzed by GC-MS.
方法:采用GC-MS分别对乙醚索氏提取法、乙醚超声提取法、乙醚冷浸法和水蒸气蒸馏法提取蜂胶所得提取物的化学成分进行分析比较。
3.
Conclusion Soxhlet extraction method is initially assessed to be a suitable extraction method for essential oils from propolis.
方法采用气相色谱-质谱(GC-MS)法对乙醚索氏提取法和水蒸气蒸馏法所得蜂胶挥发油的化学成分进行分析、比较。
补充资料：一索
1.一根绳索。 2.一次搜索。 3.一串。参见"一索珠"。 4.原出《易．说卦》。后以"一索"谓初生男孩。 5.索性，干脆。
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