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        網站首頁 - 產品中心 - 戴安IC離子色譜耗材配件 - 戴安離子色譜耗材 - 057083OnGuard II 樣品前處理小柱057083

        OnGuard II 樣品前處理小柱057083

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        • OnGuard II 樣品前處理小柱057083
          The OnGuard? II 柱設計用來消除基質的干擾,如酚醛塑料,金屬離子,陽離子,陰離子,或在離子色譜應用中存在的疏水性物質。Dionex OnGuard II 樣品前處理系列小柱產品包括七種功能類型,兩種大小規格(1.0 cc和2.5 cc)。這些產品適用于對樣品進行分析物的固相萃取和樣品的基體去除。所謂的樣品基體去除是指利用樣品中基體組分與樣品前處理小柱中的固定相之間的特有結合使基體中的干擾組分保留在樣品前處理小柱上,而被分析物則不被保留直接通過樣品前處理小柱,從而進行后續的分析測定,這樣就可消除樣品基體中共存組分對測定的干擾。對于分析物的直接固相萃取方法則是指將分析樣品的溶液通過樣品前處理小柱時,分析物由于特有的結合作用被直接保留在樣品前處理小柱上,而樣品中的基體組分則不被保留,從而通過樣品前處理小柱,隨后再使用合適的洗脫劑將萃取于樣品前處理小柱上的被分析物洗脫下來進行后續的分析測定,這種方法也可達到分析物富集和樣品基體去除的作用。

          OnGuard II 樣品前處理小柱057083由于新的設計理念的采用,Dionex OnGuard II樣品前處理小柱系列產品既具有出色的分析性能,有極大的方便了分析者的使用。同時2.5 cc規格的樣品前處理小柱具有較高的柱容量,適合于處理離子強度高的樣品,這種規格的小柱也有利于降低使用成本。另外這種柱型設計也有利于實現樣品前處理過程的自動化。

          Remove Matrix Interferences for Better Performance in Many IC Applications

          The OnGuard II Cartridges remove matrix interferences such as phenolics, metals, cations, anions, or hydrophobic substances encountered in many ion chromatography applications. These cartridges have wide pH stability and allow low level ion analysis.Cartridges are available in 1 cc and 2.5 cc high-capacity formats.

          Solve Tough Applications Problems

          Facilitate better separations
          Increase lifetimes of analytical columns
          Solve major matrix problems
          Achieve reproducible trace-level determinations in concentrated matrices

          Optimized Design and Manufacture

          The OnGuard II hardware is designed with Luer inlets for easy and secure connections. The cartridge design eliminates leaks and channeling. The unique sample distribution frit maximizes complete resin bed usage. The cartridge hardware is optimized for the best possible performance in matrix removal or concentration applications.

          Guaranteed Performance

          All OnGuard II products are shipped with a Certificate of Analysis verifying product capacity, performance, and cleanliness.

          Convenient and Easy to Use

          Samples are easy to process. Samples can be passed through the cleanup cartridge directly into the LC injector valve loop using a Luer-style syringe. Alternatively, samples can be processed in parallel using the OnGuard Sample Prep Station.

          Versatile Selection of Resins

          OnGuard II A
          OnGuard II Ag
          OnGuard II Ba
          OnGuard II H
          OnGuard II Na
          OnGuard II M
          OnGuard II P
          OnGuard II RP
          OnGuard II Ag/H
          OnGuard II II Ba/Ag/H

          The OnGuard II family of sample pretreatment cartridges is available in a wide range of packings and in two sizes(1-cc and 2.5-cc) to fit your sample pretreatment needs. In addition, resins are available in the Auto OnGuard? syringe barrel format for robotic processing as custom order products. The Summary tab contains a table summarizing the OnGuard products and their typical applications.

          Cartridges can be used singly or in series depending on the matrix interferences to be removed. The OnGuard Ba, OnGuard Ag, and OnGuard H cartridges can be used in series to remove sulfate, chloride, and carbonate from a water sample prior to trace-level determination of bromate.

          訂貨信息:

          OnGuard II A
          OnGuard II A Cartridges, 1 cc, Pkg of 48 057091
          OnGuard II A Cartridges, 2.5 cc, Pkg of 48 057092
          OnGuard II Ag
          OnGuard II Ag Cartridges, 1 cc, Pkg of 48 057089
          OnGuard II Ag Cartridges, 2.5 cc, Pkg of 48 057090

          OnGuard II Ag/H

          OnGuard II Ag-H Cartridge, 2.5 cc, Pkg of 48 057410
          OnGuard II Ba
          OnGuard II Ba Cartridges, 1 cc, Pkg of 48 057093
          OnGuard II Ba Cartridges, 2.5 cc, Pkg of 48 057094
          OnGuard II Ba/Ag/H
          OnGuard II Ba/Ag/H Cartridges, 2.5 cc, Pkg of 48 063955
          OnGuard II H
          OnGuard II H Cartridges, 1 cc, Pkg of 48 057085
          OnGuard II H Cartridges, 2.5 cc, Pkg of 48 057086
          OnGuard II M
          OnGuard II M Cartridges, 1 cc, Pkg of 48 057137
          OnGuard II M Cartridges, 2.5 cc, Pkg of 48 057095
          OnGuard II Na
          OnGuard II Na Cartridges, 1 cc, Pkg of 48 062948
          OnGuard II Na Cartridges, 2.5 cc, Pkg of 48 062962
          OnGuard II P
          OnGuard II P Cartridges, 1 cc, Pkg of 48 057087
          OnGuard II RP
          OnGuard II RP Cartridges, 1 cc, Pkg of 48 057083
          OnGuard II RP Cartridges, 2.5 cc, Pkg of 48 057084
          OnGuard Accessories
          OnGuard Sample Prep Workstation 039599
          OnGuard Needle, 18 Gauge, 1.25/Luer 039996
          OnGuard Valve, Stopcock Luer 040896

          儀器信息網 http://www.instrument。。com.cn/ 設計制作

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