1) rapid contractor
加速溶剂萃取仪器
1.
Research and development of rapid contractor based on Small RTOS51;
基于Small RTOS51的加速溶剂萃取仪器的研制与开发
2) accelerated solvent extraction(ASE)
加速溶剂萃取
1.
Dibenzo-p-dioxins and dibenzo-furans were extracted from samples by accelerated solvent extraction(ASE) and then purified by fluid management systems(FMS) with silica column,alumina column and carbon column.
样品经加速溶剂萃取,然后通过流体控制系统(FM S)自动过硅胶柱、氧化铝柱和碳柱净化,最后浓缩。
2.
A method has been developed for the determination of toxaphene in soil by gas chromatography-negative chemical ionization mass spectrometry(GC-NCI MS) with accelerated solvent extraction(ASE).
建立了加速溶剂萃取/气相色谱-负化学电离质谱法测定土壤中毒杀芬的方法。
3) Accelerated solvent extraction
加速溶剂萃取
1.
Extraction of PCBs in shellfish by accelerated solvent extraction;
加速溶剂萃取用于贝类中多氯联苯的提取
2.
Determination of the Volatile Components in Cut Tobacco by GC-MS with Accelerated Solvent Extraction;
加速溶剂萃取-气相色谱-质谱法测定烟叶挥发性成分
3.
Accelerated solvent extraction and Soxhlet extraction were used to extract capparis spinosa seed oil with he-xane and ethyl ether.
采用加速溶剂萃取及索氏提取法,用正己烷和乙醚为提取剂从野西瓜种子中提取油脂,经浓H2SO4催化,甲醇甲酯化处理后,以气相色谱-质谱联用技术鉴定出野西瓜种子中的脂肪酸主要组成为:油酸、亚油酸、硬脂酸等,其中不饱和脂肪酸总量占91。
4) ASE
加速溶剂萃取
1.
Accelerated solvent extraction(ASE)-ion chromatography with conductivity detection for determination of phytic acid in rapeseed.;
加速溶剂萃取-离子色谱测定油菜籽饼中的植酸
2.
APPLICATION OF ASE IN ANALYSIS OF ORGANOCHLORINE PESTICIDES;
加速溶剂萃取用于有机氯杀虫剂残留分析
3.
Determination of Organochlorine Pesticide Multi-residues in Straw by ASE-SPE-GC;
加速溶剂萃取—固相萃取—气相色谱法测定稻草中多种有机氯农药残留
5) accelerated solvent extraction
加速溶剂萃取法
1.
The application of accelerated solvent extraction(ASE) technique for the Analysis of active components in traditional Chinese medicinal herbs was introduced by using two kinds of herbs as examples.
以两种药材为研究实例,对加速溶剂萃取法(ASE)在中药材有效成分提取研究中的应用进行了简要介绍。
2.
A rapid and effective method for determination of 4 chemical warfare agents(CWAs) in soil has been developed by using accelerated solvent extraction(ASE)-gas chromatography(GC) coupled with dual sulfur and phosphorous mode flame photometric detector(FPD-P/S).
采用加速溶剂萃取法萃取土壤基质中的4种典型化学毒剂,萃取液用气相色谱-火焰光度检测器分析。
3.
In this paper, Linear relation of standard curves of liquid chromatography with fluorescence detection (HPLC-FD) and Fluorimetry were compared; The conditions of accelerated solvent extraction (ASE) method for extracting OTA in wine were optimized; The effects of solvent extraction and ASE extracting OTA in ultrafine powder of grape feed were compared, and the conditions of ASE were optimized.
本文比较了高效液相色谱-荧光检测法(HPLC-FD)和荧光光度法标准曲线的线性关系;对加速溶剂萃取法(ASE)提取葡萄酒中OTA的条件进行了选择;比较了溶剂萃取和ASE两种方法提取葡萄籽超微粉中OTA的效果,并优化了ASE萃取条件,主要试验结果如下:1。
6) Automated Pressurized Liquid Extractor
全自动加压溶剂萃取仪
1.
Investigation of Organic Phosphate Pesticide Residues in Farm Produces by Automated Pressurized Liquid Extractor
全自动加压溶剂萃取仪在农产品有机磷农药残留检测中的应用
补充资料:锆铪溶剂萃取法分离
锆铪溶剂萃取法分离
separation of zirconium and hafnium by solvent extraction
gao ha rongJI euiqufa fenll错铅溶剂萃取法分离(separation of zirconi-um and hafnium by solvent extraetion)用溶剂革取进行铃格分离的方法。和其他错铅分离方法相比,此法具有生产能力大、过程简单、易于实现连续化的优点,是错铅分离的最重要的方法。 原理用于错铅分离的革取剂主要有酮类萃取剂、中性含磷萃取剂和胺类萃取剂。常用的酮类萃取剂是甲基异丁基酮(MIBK),它能与铅的硫氰酸盐形成中性萃合物而优先被萃入有机相。典型的中性含磷萃 \取剂为磷酸三丁醋(TBP),它通过一P一O键的氧原 /子与错金属原子配位形成中性萃合物Zr(NO3);·ZTBP优先被萃入有机相。胺类萃取剂常用的是三辛胺(TOA,中国简称N235),三辛胺在酸性介质中与错离子形成萃合物,优先被萃入有机相。 工艺有MIBK、TBP和N235三种萃取流程,它们的产品氧化错的纯度列举于表。暇化错产品的杂质含t(质量分数。/%)甘长示一六 MIBK萃取流程硫氰酸水相料液MIBK萃取分响它的推广应用,工艺流程如图2。离工艺是以ZrCI;为原料,加水和NH不NS配料。N235萃取流程硫酸水相料液N235萃取分离MIBK优先萃取铅,大量错留在水相中。这是最早用来流程是采用碱熔法分解错英石,产物经水洗除硅,硫酸分离错错的萃取流程,为美国、法国、德国、日本等错浸出得错的硫酸溶液,用N235优先萃取错,经洗涤可铅主要生产国所采用。美国最大的错生产厂特尼得到含错<0.01%的原子能级氧化错。萃余液中错富泰因·华昌(Teledyne wah。hang)公司从1956年起集到50%一70%,再经PZo4萃取,错铅进一步分离,用此法生产错和铅,目前已达到年产3500t海绵错的得到含铅在96%以上的原子能级氧化铅。20世纪60规模,工艺流程如图1。年代中期,中国开始对这种流程进行研究,70年代初 TBP萃取流程有硝酸和硝酸、盐酸混合酸两种用于工业生产,1984年又进行了改进。与此同时,日水相料液系统。前者是将碱熔法分解错英石的产物转本矿业公司公布了用TOA(N235)萃取分离错铅的流变为硝酸水相料液,用TBP优先萃取错;后者是以zr一程,建立年产Zoot海绵错的工厂。美国矿务局Cl。为原料,加水、硝酸和盐酸配料,再用TBP优先萃(U.S.B盯eau of Mine)对此也很重视,并进行过论证。取错,是中国研究成功的流程,已用于工业生产。TBP流程的物料毒性小,设备腐蚀轻,操作稳定,三废容易萃取流程的错铅分离系数大,萃取级数少,可以同时得集中处理,是目前国际上公认为比较好的流程(见图到原子能级氧化错和氧化铅。但水相料液的腐蚀性强,3)。萃取过程中出现的乳化问题未得到彻底解决,因而影萃取设备主要有两类,一类是萃取塔,另一类是ZrC14H:0 NH4CNS几吮片辱譬 Hf02 图1 MIBK萃取分离错铃流程 HZ()He【HNo3精ZrCI;TBP扛 Zr()2(Hf<0 .01%) 图2 HN03一HCI体系TBP萃取分离错铃流程箱式混合澄清器(见革取设备)。前者为MIBK流程所采用,后者为TBP和N235萃取流程所采用。萃取塔占地面积小,生产能力大。箱式混合橙清器结构简单,铅英石Na()H。几一 .丫先液—一〕宙} l沉捉、股烧l不1书七忖}一甲 下们()望L州沪 图3 N235萃取分离错铃流程操作稳定,一般用塑料或有机玻璃等耐酸材料制造。
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