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1)  non-radioactive electron capture detector
无放射源电子捕获检测器
2)  non-radioactive electron capture detector
无放射源电子俘获检测器
3)  ECD
电子捕获检测器
1.
In this paper establishing one method with PAT-GC/ECD to analyze 6 kinds of volatile halohydrocarbons (VHCs), determinating them in tap water, in old Huang He River water, in Canal water, in Internal Canal water and in lake water quantitatively and comparing the VHCs and their content in them.
建立了吹扫捕集与气相色谱联用技术结合电子捕获检测器分析水体中多种挥发性卤代烃的方法。
2.
The electron capture detector(ECD) and the external standard method were used.
53 mm×30 m,1 μm)及电子捕获检测器(ECD),外标法计算含量。
3.
After conversion of Picric acid in water into chloropicrin by chlorination,the chloropicrin was extracted with benzene,the benzene layer was determined by ECD,it showed that the method detection limit was 0.
水样中苦味酸经氯化转化为氯化苦后,以苯萃取,苯层用电子捕获检测器(ECD)进行定量分析,结果表明,该法检出限低(0。
4)  electron capture detection
电子捕获检测器
1.
When the N2 carrying organochlorine pesticides get in electron capture detection, the sequence of appearance peak is:⑴α-HCH, ⑵β-HCH, ⑶γ- HCH, ⑷δ- HCH, ⑸Heptachlor, ⑹Aldrin, ⑺ρ,ρ’-DDE, ⑻Dieldrin, ⑼ρ,ρ’-DDT, ⑽ο, ρ’-DDT, ⑾ρ,ρ’-DDD.
大米中有机氯农药经有机溶剂石油醚的萃取浓缩后,由高纯氮气载入色谱柱进行分离,载有有机氯农药的氮气进入电子捕获检测器后,其出峰顺序为:(1)α-HCH;(2)β-HCH;(3)γ-HCH;(4)δ-HCH;(5)七氯;(6)艾氏剂;(7)ρ,ρ’-DDE;(8)狄氏剂;(9)ρ,ρ’-DDT;(10)ο,ρ’-DDT;(11)ρ,ρ’-DDD。
2.
The method of gas chromatography-electron capture detection(GC-ECD) for the determination of N_2O in air,liquefied air and liquefied oxygen was studied and set up.
建立了一种用电子捕获检测器气相色谱法(GC-ECD)测定大气及空气分离装置液空、液氧中N2O的测定方法。
5)  electron capture detector
电子捕获检测器
1.
The dibromome thane in the air was absorbted by Tenax,analyzed by TJ-618 and determined by electron capture detector.
建立了一种简便快速测定空气中二溴甲烷的方法,即空气中的二溴甲烷经Tenax管吸附,TJ-618热解析仪解析,电子捕获检测器检测,该法线性关系良好,其精密度及回收率均符合方法学要求,方法结果简单、快速、准确、可靠。
2.
Derivatization with acetic anhydride and liquid-liquid extraction with hexane,pentachlorophenol(PCP) was determined by capillary gas chromatography-electron capture detector(GC-ECD) in surface water,waste water and sewage.
用乙酸酐衍生,正己烷液—液萃取,毛细管柱气相色谱—电子捕获检测器对地表水、废水中五氯酚进行了测定,确定五氯酚浓度范围在5。
6)  electron capture detector(ECD)
电子捕获检测器
补充资料:无放射源电子捕获检测器
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性质:是一种不用放射源的电子捕获检测器。以氦气为载气进入放电电离室时,电极在氦气中放电,使氦电离产生自由电子和光子。由于极化极较放电负极电位高,可吸引一小部分自由电子进入俘获反应区,并在极化极与收集(正)极之间产生一定的基流。当载气中电负性组分进入时即俘获自由电子而降低基流,给出信号。

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