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  • OnGuard II 样品前处理小柱057083
  • OnGuard II 样品前处理小柱057083
  • OnGuard II 样品前处理小柱057083
OnGuard II 样品前处理小柱057083

发布时间:  2015-09-21

产品型号:  057083

产品报价:  

所  在  地:  江苏昆山市新南中路888号纯高联邦国际1幢35

产品特点:  OnGuard II 样品前处理小柱057083
The OnGuard® II 柱设计用来消除基质的干扰,如酚醛塑料,金属离子,阳离子,阴离子,或在离子色谱应用中存在的疏水性物质。
Dionex OnGuard II 样品前处理系列小柱产品包括七种功能类型,两种大小规格(1.0 cc和2.5 cc)。这些产品适用于对样品进行分析物的固相萃取和样品的基体去除。

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OnGuard II 样品前处理小柱057083
The OnGuard? II 柱设计用来消除基质的干扰,如酚醛塑料,金属离子,阳离子,阴离子,或在离子色谱应用中存在的疏水性物质。Dionex OnGuard II 样品前处理系列小柱产品包括七种功能类型,两种大小规格(1.0 cc和2.5 cc)。这些产品适用于对样品进行分析物的固相萃取和样品的基体去除。所谓的样品基体去除是指利用样品中基体组分与样品前处理小柱中的固定相之间的特有结合使基体中的干扰组分保留在样品前处理小柱上,而被分析物则不被保留直接通过样品前处理小柱,从而进行后续的分析测定,这样就可消除样品基体中共存组分对测定的干扰。对于分析物的直接固相萃取方法则是指将分析样品的溶液通过样品前处理小柱时,分析物由于特有的结合作用被直接保留在样品前处理小柱上,而样品中的基体组分则不被保留,从而通过样品前处理小柱,随后再使用合适的洗脱剂将萃取于样品前处理小柱上的被分析物洗脱下来进行后续的分析测定,这种方法也可达到分析物富集和样品基体去除的作用。

OnGuard II 样品前处理小柱057083由于新的设计理念的采用,Dionex OnGuard II样品前处理小柱系列产品既具有出色的分析性能,有极大的方便了分析者的使用。同时2.5 cc规格的样品前处理小柱具有较高的柱容量,适合于处理离子强度高的样品,这种规格的小柱也有利于降低使用成本。另外这种柱型设计也有利于实现样品前处理过程的自动化。

Remove Matrix Interferences for Better rformance 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 rformance in matrix removal or concentration applications.

Guaranteed rformance

All OnGuard II products are shipd with a Certificate of Analysis verifying product capacity, rformance, 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 dending 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.

订货信息:

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

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