1) 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。
2) 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
3) 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。
4) 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。
5) accelerated solvent extraction
加速溶剂萃取技术
1.
Extraction of total flavonoid from orange peel by accelerated solvent extraction;
加速溶剂萃取技术提取柑橘皮中总黄酮的工艺研究
6) 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
补充资料：钨溶剂萃取
钨溶剂萃取
solvent extraction of tungsten
WU rong』1 CUlqU钨溶剂萃取(5 olvent extraetion。f tungsten) 用溶荆草取法使钨酸钠溶液转变为纯钨酸铁溶液的过程，属钨溶液净化范畴。有萃取转型和萃取分离杂质两大类型。 萃取转型用胺类萃取剂使经净化除杂质后的纯钨酸钠溶液转变为钨酸按溶液的过程。此法由于能耗低、连续生产、生产效率高、产量大且易于监测和实现自控，在美国、前苏联等主要世界产钨国得到广泛应用。中国一年产6000t仲钨酸钱(APT)的工厂也已采用这种生产方法。w。鹅 原理当用稀硫酸将钨酸钠溶液逐渐调整到pHZ取设备见彩图插页第27页。典型的钨萃取转塑流程如 一3时，随着酸化过程的进行，发生单钨酸根的聚合反图。流量比为有机相:料液:洗水:反萃剂:反洗水应:~36:24:36:18:36，萃余液、洗液、反洗液及废酸 aH3O++12WO犷一占H，W，O勇一+cHZO含WO。在32mg/L以下。萃取料液含W〔)31()o一反应式中的系数以、b、。值随H30+/wQ写一(摩尔)而2009/L，反萃剂为充氨气调pH至11一J2的稀钨酸按有不同的值。生成的聚合钨酸阴离子可为胺类萃取剂溶液，反萃液含W03 300一4009/L。洗水与反洗水均为萃取。用伯胺、仲胺和叔胺作萃取剂时，需预先用浓度无离子水。为0.5~lmol/L的稀硫酸将其转变成硫酸盐型，胺盐匈牙利钨公司(Tungsranl)对调酸制取萃取料液的型式在很大程度上取决于所用酸的浓度。例如，叔胺的方法进行了改进。他们用阳离子交换膜作隔膜进行的酸化反应可为:电解，将纯钨酸钠溶液置入阳极室，钠离子在直流电场 ZR3N(o)+HZSO、—〔(R3NH)250、〕(o)作用下通过阳膜进入阴极室，利用两极的电化学反应或者为:在阴极室回收氢氧化钠的同时，阳极室的钨酸钠溶液 ZR.N(o)+ZHZSO、—〔(R3NH)Hso4〕2(。)逐渐被酸化至pHZ一3。lPJ而省去了用硫酸酸化钨酸钠胺的硫酸盐或酸式硫酸盐按阴离子交换机理萃取钨，溶液的作业，与此同时，阴极释放的氢气还可用作生产萃取反应为:钨粉的还原剂，从而大幅度地降低了钨萃取〔艺的试 角l夕肖衫泊}喻大了m二丰1、 言〔‘RoNH‘HSO、):〕(o)+〔H·WyO!〕2-一一一 〔(R3NH)ZH二w，o;〕(o)十nHso、表一不同的制备萃取料液方法每公斤反萃时，聚合钨酸根解聚，钨以钨酸按形式进入水相。wo，的试剂消耗(kg)由于钨酸钠溶液中的有害杂质元素磷、砷、硅、铂、锡一一一一下一一一一一一二犷一万一等在酸化时可与单钨酸根聚合成杂多钨酸根，后者同万法!几丁万二门下二一—一几莎二下一_一__一样为胺类萃取剂所萃取。反萃时，杂多钨酸根解聚，这—一叶一一一-州-一一二刊一立~‘斗一一志-------一些杂质元素又进入钨酸钱溶液。故在萃取转型之前必蔚茗篆W}1、、。。，{，;7、。，，}‘、，‘{‘、。。
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参考词条