Thermo Dionex 088491 AS22 阴离子分析柱-快速柱 4μ,0.4X35MM

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088491AS22 阴离子分析柱-快速柱 4μ,0.4X35MM7694

适用于(应用)Anion Exchange
包装材料Polymeric
粒径11 µm
固定相IonPac AS22 Fast-4 µm
类型Capillary Guard
认证/合规U.S. EPA Method 300.0 (A)
色谱柱容量0.04 µeq
色谱柱化学特性Carbonate/Bicarbonate
流速12 μL/min.
较大压力5000 psi (345 bar)
pH0 to 14
长度(公制)35 mm
直径(公制)0.4 mm
交联55% DVB
柱结构PEEK
疏水性Ultralow
流动相兼容性pH 0 to 14, 0 to 100% HPLC Solvents
阴离子交换容量0.04 µeq
离子交换基Alkanol Quaternary Ammonium Ion
溶剂0 to 100% of HPLC Solvents
适用于(设备)IonPac AS22-Fast-4 µm Analytical Column
Unit SizeEach 1

Fast separation of common inorganic anions with excellent resolution
  • Obtain the highest peak efficiency, through the use of smaller resin particles, of common inorganic anions in diverse sample matrices
  • Attain fast isocratic separation of the common inorganic anions in less than 5 min
  • Perform compliance monitoring of common anions in drinking water as specified in U.S. EPA Method 300.0 (A)
  • Achieve excellent separation of inorganic anions and low-molecular weight acids in diverse sample matrices
  • Obtain high peak efficiency and increased peak resolution for more consistent integration and more reliable results
  • Transfer application easily--this 4µm column has the the same selectivity as the Dionex IonPac AS22-Fast column
  • Achieve excellent resolution of the carbonate peak away from the common inorganic anions
  • Reduce run time without loss of resolution compared to the Dionex IonPac AS22-Fast column
  • Faster alternative, using carbonate/bicarbonate eluents, for Dionex IonPac AS4A-SC, AS12A, AS14, AS14A and AS22 inorganic anion applications
  • Compatible with organic solvents to enhance analyte solubility, modify column selectivity, or allow effective column cleanup

Use with a high-pressure IC system

Higher resolution is achieved through the use of smaller resin particles, which can produce a column backpressure over 3000 psi. When operating the Dionex IonPac AS22-Fast-4µm column, a high-pressure IC system, such as the Thermo Scientific™ Dionex™ ICS-5000+ HPIC or the Dionex ICS-4000 HPIC is required.


Reduce operating costs with lower eluent requirements

The Dionex IonPac AS22-Fast-4µm capillary column provides the same performance as the standard bore and microbore Dionex IonPac AS22-Fast-4µm columns because it is packed with the same material. Operating costs are reduced because the capillary system operates at only 1% of the eluent flow rate of the standard bore system, requiring less eluent and producing less waste.


Use the cormat that fits your lab
  • 4x150mm, 2x150mm analytical columns
  • 4x30mm, 2x30mm guard columns
  • 0.4x150mm capillary column, 0.4x35mm capillary guard column
  • Shorter 150mm columns facilitate faster runs while the smaller particle size maintains a higher resolution separation
  • Capillary columns provide reduced operating and waste disposal costs through eluent conservation

Note: For simple, accurate eluent preparation, use the Dionex IonPac AS22 Eluent Concentrate or the Dionex Eluent Generator (Dionex EGC 500 K2CO3 cartridge with Dionex EPM 500 pH modifier).


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