电子捕获检测器

电子捕获检测器用于毛细管色谱时各种操作参数的研究

Investigation of the Operating Parameters of ECD for Capillary Gas Chromatography

用电子捕获检测器，大孔径毛细管色谱柱直接进水样分析7种有机磷农药。

The 7 kinds of organic phosphorus pesticides in injecting water sample wits Gas Chromatography equipped with ECD , large diameter capillary columu .

方法：采用气相色谱法，电子捕获检测器（ECD）；

METHODS Using gas chromatography with electron capture detector ( ECD );

及电子捕获检测器（ECD），外标法计算含量。

The electron capture detector ( ECD ) and the external standard method were used .

稻田水、土壤、植株、糙米和稻壳样品通过有机溶剂提取，气相色谱-电子捕获检测器（GC-ECD）检测。

Paddy samples were determined with gas chromatography ( ECD ) after extracted with organic solvent .

样本采用固相萃取提取净化，用气相色谱法在同一根色谱柱上分离后分别进入氮磷检测器（NPD）、电子捕获检测器（ECD）进行检测。

The procedure included solid-phase extraction , clean up and determination by GC using single capillary column and NPD and ECD detector .

本文基于气相色谱仪和电子捕获检测器，设计了一套SF6提取制样分析系统，发展了SF6测试技术。

The high sensitivity of the electron capture detector to SF6 has led the authors to develop and analytical technique for the measurement of SF6 .

用柱萃取法提取，气相色谱电子捕获检测器（GCECD）测定蔬菜中的多种有机氯农药。

Residues of organochlorine pesticides in vegetables were extracted by using column extraction method and analyzed by gas chromatography equipped with a 63 Ni electron-capture detector ( GC-ECD ) system .

用气相色谱－电子捕获检测器法测定鱼组织中4种有代表性的氯酚（CPs）及其共轭物。

Four representative chlorophenols ( CPs ) and their conjugates in fish tissues were determined by gas chromatography with electron capture detector ( GC ECD ) .

本文对CO2气中的微量氧的测定进行了研究，结果表明，采用Ni放射源电子捕获检测器可对CO2中微量氧进行气相色谱定量分析。

The determination of micro - oxygen in carbon dioxide is studied . The result shows that with electron-capture detector with nickle radial source , it is possible to determine micro - oxygen in CO2 by using gas chromatographic quantitative analysis .

甘蓝和土壤样品用丙酮-水提取，弗罗里硅土净化，毛细管柱分离，气相色谱-电子捕获检测器（GC-ECD）检测。

Cabbage and soil samples were extracted with acetone-water , separated by capillary column and determined by gas chromatography-electron capture detector ( GC-ECD ) .

采用HP-50毛细管柱（30m×0.32mm×0.25μm），程序升温，电子捕获检测器。

The capillary column was HP-50 ( 30m × 0.32mm × 0.25 μ m ) , temperature programming , electron capture detector ( ECD ) .

采用电子捕获检测器、程序升温、SPB-5（30m×0.25mm×0.25μm）毛细管柱气相色谱检测技术对菊花中12种农药残留进行分析。

The residues were then determined by capillary gas chromatography with ECD and a SPB-5 column ( 30 m × 0.25 mm × 0.25 μ m ) .

空气中三氯苯胺用微孔滤膜采集，环已烷解吸，经OV-17和OV-210混合色谱柱分离，电子捕获检测器检测测定。

Trichloroaniline in the air was collected with micropore filter membrane and desorbed with cyclohexane , separated with a column OV-17 : OV-210 and determined by GC-ECD .

样品农药残留经丙酮提取，凝结液除杂，石油醚萃取，弗罗里硅土柱净化，OV101大口径毛细管柱分离，电子捕获检测器（ECD）检测。

Then it was extracted with the petroleum ether and through the column of Florisil acidic siliceous earth in series , and determinated by wide bore capillary ( OV 101 30m 0.53 mm ) gas chromatography with electron capture detector .

方法以正已烷／丙酮（8／2）混合溶剂，在Florisil固相萃取柱上净化提取，采用毛细管气相色谱柱分离样品和电子捕获检测器进行检测。

Methods The organochlorine pesticides were extracted from the herbs with mixed solvents of n-hexane and acetone by a solid-phase extraction cartridge Florisil . Capillary gas chromatography was used to separate the samples .

为探讨南海北部陆架区海洋动物中多氯联苯（PCBs）污染状况，用气相色谱仪-电子捕获检测器测定了1998&2000年在该海域采集的3种金线鱼体内的PCBs。

Polychlorinated biphenyls ( PCBs ) in the samples of three kinds of fish collected in the sea area of the continental shelf of the northern South China Sea during 1998 & 2000 were determined by GC-ECD method to explore PCBs contamination of marine animals .

[方法]采集G市两个水厂水源水及自来水，以GDX树脂富集，气相色谱-质谱（GC/MS）进行定性分析，气相色谱-电子捕获检测器（GC-ECD）进行定量分析。

[ Methods ] The qualitative analysis and the quantitative analysis of the organic pollutants in water samples of source water and tap water collected from two water plants and enriched by GDX resin were carried out by GC MS and GC ECD respectively .

建立了以涂敷AgNO3的碱性氧化铝为分散剂的基质固相分散（MSPD）法提取、气相色谱/电子捕获检测器检测的大蒜中痕量二甲戊灵的分析方法。

A new analytical method of matrix solid-phase dispersion ( MSPD ) using AgNO_3-loaded basic alumina as solid-phase , followed by gas chromatography-electron capture detection of trace pendimethalin in garlic was presented .

方法样品以混合溶剂超声提取、Florisil固相萃取小柱净化处理后，采用DB-1701毛细管气相色谱柱分离样品，电子捕获检测器检测。

Methods The 15 organochlorine pesticides were extracted from samples with solvents by ultrasonic and cleaned up by Florisil solid-phase extraction column . Then , the extract was separated by capillary column and detected by electron capture detector .

本文提出NCl3在电子捕获检测器上捕获电子的动力学过程，属非离解型，1nKT~（3/2）～1/T图具正斜率。

In this paper , the kinetic process of capturing electrons for NCl_3 on electron capture detector is discussed , which belongs to the type of non-disassociation , because the straight line obtained form plotting lnKT ~ ( 3 / 2 ) to 1 / Thas a positive slope .

水样流经GDX-502树脂富集柱，硝基苯类污染物得到吸附富集，然后用苯洗脱，洗脱液经K-D浓缩器浓缩定容后，以带电子捕获检测器的毛细管柱气相色谱测定。

First , the water sample flows through columns of GDX 502 porous resin , next the column is eluted with benzene , and after that , the eluate , after concentrated with K-D concentrator , is determined by gas chromatography with electron capture detector .

方法采用顶空色谱法，以电子捕获检测器、DC-550色谱柱，气化室温度150℃、检测器温度180℃、柱温85℃为检测条件对样品检测、分析。

Methods With DC-550 column and electronic capture detector , head space gas chromatography was adopted to examine harmful material in samples . The operating conditions were gasified temperature 150 ℃, detector temperature 180 ℃, column temperature 85 ℃ .

三氯化氮在电子捕获检测器上色谱行为的研究

Study on chromatographic behavior of nitrogen trichloride on electron capture detector

小型电子捕获检测器的研制及其在毛细管气相色谱上的应用

A Micro Electron-Capture Detector Suitable for Use in Capillary Gas Chromatography

电子捕获检测器气相色谱法分析氟化氢

Gas chromatographic analysis of hydrogen fluoride by electron capture detector

电子捕获检测器测定粮食中三唑酮残留量

Determination of triadimefon residues in grain by electron capture detector

植物性食品中亚胺硫磷的气相色谱&电子捕获检测器测定法

Determination of Phosmet in Plant Food by Gas Chromatography - Electron Capture Detection

有机氯农药用毛细管气相色谱-电子捕获检测器检测。

The organochlorine pesticides were determined with gas chromatography and electron capture detection .

基质固相分散气相色谱电子捕获检测器测定葡萄酒中5种农药残留

Determination of 5 Pesticide Residues in Wine by Matrix Solid Phase Dispersion and Gas Chromatography-Electron Capture Detector