1) On-line pre-concentration
在线柱富集
2) on-line micro-column concentration
在线微柱富集
3) on-column concentration
在柱富集
4) on-line preconcentration
在线富集
1.
Determination of trace cadmium in water samples by flame atomic absorption spectrometry with flow injection on-line preconcentration;
流动注射在线富集-火焰原子吸收光谱法测定水中痕量镉
2.
Flame atomic absorption spectrometric determination of trace lead(Ⅱ) with flow injection on-line preconcentration;
流动注射在线富集-火焰原子吸收光谱法测定痕量铅
3.
A rapid and sensitive method for the determination of trace cadmium in environmental water samples has been developed, based on flow injection on-line preconcentration on two-microcolumn system coupled with flame atomic absorption spectrometry with derivative signal processing.
采用单阀双阳离子交换树脂微柱并联 ,设计了双柱交替采样逆向洗脱在线富集系统 ,该系统与原子吸收测量技术相结合 ,实现了在线富集 -导数火焰原子吸收光谱法测定水中镉。
5) On-line concentration
在线富集
1.
On-line concentration techniques have been employed more and more in many analytical areas over the past decade due to their advantages of simplicity, automation, low cost and high sensitivity.
样品在线富集方法是一种提高毛细管电泳灵敏度的方法,由于其具有操作简单、成本较低、灵敏度高、易实现自动化等优点,近年来得到了越来越多的应用。
2.
The on-line concentration.
在线富集技术具有简单经济的特点，无需对商品仪器进行改造。
3.
Study on on-line concentration techniques based on CE and LC-MS is of crucial importance to further explore the application in the area of in vivo pharmaceutical research and clinical practice.
样品在线富集技术是一种提高方法灵敏度的方法,由于其操作简便、成本低、自动化程度高、易于实现等优点,得到了越来越广泛的应用。
6) on-line sample stacking
在线富集
1.
Two on-line sample stacking methods in capillary electrophoresis,large volume sample stacking using reversed pressure as a pump(LVSRP) and large volume sample stacking using electroosmotic flow(EOF) pump(LVSEP),were developed for the separation and determination of carnosine,anserine and homocarnosine.
建立了毛细管区带电泳(CZE)在线富集3种肌肽类活性肽(肌肽、鹅肌肽和高肌肽)的两种简便有效的方法。
补充资料：柱上富集
分子式：
CAS号：
性质：现代液相色谱中，当试样溶剂的强度较弱，增大进样体积，待测组分就富集在色谱柱约入口端，然后再用流动相洗脱。这种提高灵敏度的方法称为柱上富集。此法只需在进样阀上更换一个大体积的计量管，使进样体积增加。
CAS号：
性质：现代液相色谱中，当试样溶剂的强度较弱，增大进样体积，待测组分就富集在色谱柱约入口端，然后再用流动相洗脱。这种提高灵敏度的方法称为柱上富集。此法只需在进样阀上更换一个大体积的计量管，使进样体积增加。
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