1) 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。
2) 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。
3) 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) μ-ECD
微池电子捕获检测器
6) μECD
微电子捕获检测器
1.
The extracts were purified using florisil SPE column, and then separated with DB-1701 and DB-35ms capillary columns, followed by detection with μECD.
样品用乙腈提取后,经Florisil固相萃取小柱净化,用DB-1701和DB-35ms毛细管气相色谱柱、微电子捕获检测器,对茶叶中多种有机氯和拟除虫菊酯类农药残留量的测定可取得满意的结果。
补充资料：电子捕获检测器
分子式：
CAS号：
性质：载气分子在3H或63Ni等辐射源所产生的β射线的作用下离子化，在电场中形成稳定的基流。当含电负性基团的组分通过时，俘获电子而使基流减小，产生电信号。信号与试样浓度呈线性关系。是一种高选择性和高灵敏度检测器。
CAS号：
性质：载气分子在3H或63Ni等辐射源所产生的β射线的作用下离子化，在电场中形成稳定的基流。当含电负性基团的组分通过时，俘获电子而使基流减小，产生电信号。信号与试样浓度呈线性关系。是一种高选择性和高灵敏度检测器。
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