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Dionex ACRS-ICE 500 陰離子化學再生抑製器

更新時間:2019-11-11

簡要描述:

Dionex ACRS-ICE 500 陰離子化學再生抑製器
非常適合的複雜或高離子強度的樣品中有機酸和醇離子排阻層析。

Dionex ACRS-ICE 500 陰離子化學再生抑製器

Thermo Scientific的戴安ACRS-ICE500陰離子化學再生抑製器是專為複雜或高離子強度的樣品,包括食品和飲料產品,生物樣品,發酵工藝,工業過程酒中有機酸和醇分析,以及處理廢水。此抑製劑是非常適合的複雜或高離子強度的樣品中有機酸和醇離子排阻層析。它提供了以下優點:

高容量和溶劑兼容性設計
優化為複雜或高離子強度的樣品中的有機酸和醇分析
低檢測限,高信噪比,和優異的基線穩定性
快速啟動和平衡

 

 

Dionex ACRS-ICE 500 陰離子化學再生抑製器

訂貨信息:

ACRS-ICE   500 (4 mm) Anion Chemically Regenerated Suppressor084714
ACRS-ICE 500 (9 mm) Anion Chemically Regenerated Suppressor084715

 

 

Chemically-Regenerated Suppressor Optimized for Ion-Exclusion Chromatography

The Thermo Scientific Dionex ACRS-ICE 500 Anion Chemically Regenerated Suppressor is designed for the analysis of organic acids and alcohols in complex or high-ionic-strength samples, including food and beverage products, biological samples, fermentation processes, industrial process liquors, and treated wastewaters. This suppressor is ideally suited to ion-exclusion chromatography of organic acids and alcohols in complex or high-ionic-strength samples. It provides the following advantages:

  • High-capacity and solvent compatible design

  • Optimized for organic acid and alcohol analysis in complex or high-ionic-strength samples

  • Low detection limits, high signal-to-noise ratio, and excellent baseline stability

  • Fast startup and equilibration

The Dionex ACRS-ICE 500 suppressor is used in chemical suppression mode with a tetrabutylammonium hydroxide (TBAOH) regenerant. Standard ion suppression converts analytes into their acid or base forms. The Dionex ACRS-ICE 500 suppressor increases analyte conductivity by forming the TBA salt of the weak acid analyte, which is more conductive than the partially ionized acid form of the analyte. 

The Dionex ACRS-ICE 500 suppressor removes the hydronium ion and any counterions of the analytes from the eluent stream and replaces them with tetrabutylammonium ion. This removal greatly reduces background conductivity. In addition, this mechanism forces the ionization of weak acid analytes, increasing sensitivity.

 

Anion Ion-Exclusion Chemically Regenerated Suppressor (ACRS-ICE 500)  Specifications
Physical Specifications
Dimensions (l × w × d)14.0 × 4.5 × 4.8 cm (5.5 × 1.8 × 1.9 in.)
Weight370 g (0.82 lb)
Void Volume<50 μL (4 mm); <50 μL (9 mm)
Chemical Specifications
Temperature Range115–40° C
Recommended Backpressure40 psi
Maximum Eluent Flow Rate3 mL/min
Eluent Solvent Restrictions290% solvent compatible5
Maximum Regenerant EWM3 Flow Rate10 mL/min
Modes of Operation SupportedChemical, DCR mode

1When installed outside the heated column enclosure, all suppressors can support applications up to 60 ?C.
2Solvents for anion eluents include methanol. Solvents for cation eluents include acetonitrile and dioxane.
3EWM = external water mode; for eluents containing > 40% solvent, use the chemical regeneration mode.
4Recycle recommended for aqueous applications without solvent.
5Do not use THF solvent in the eluent.

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