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美國戴安Dionex IonPac AS19 Column 062887陰離子交換色譜柱

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產品名稱: 美國戴安Dionex IonPac AS19 Column 062887陰離子交換色譜柱
產品型號: 062887
產品展商: 戴安Dionex
產品文檔: 無相關文檔

簡單介紹

戴安公司生產的儀器主要有離子色譜儀、高效液相色譜儀、快速溶劑萃取儀和氨基酸直接分析儀。其中離子色譜儀憑借著雄厚的技術優勢和方法已廣泛地應用于各個領域,其市場占有率達80%。全球與離子色譜相關的文章有90%均出自戴安公司生產的離子色譜儀。   戴安公司的快速溶劑萃取儀15分鐘之內僅用15毫升溶劑既可完成對10g樣品的萃取,該技術已在環境、**、食品和聚合物工業等領域得到廣泛應用。


美國戴安Dionex IonPac AS19 Column 062887陰離子交換色譜柱  的詳細介紹

IonPac AS19 Hydroxide-Selective Anion-Exchange Column

For Determination of Oxyhalides and Inorganic Anions

The IonPac? AS19 hydroxide-selective anion-exchange column is specifically designed for trace bromate in drinking water. Its high capacity and selectivity allow the determination of bromate in drinking water at the low-μg/L level. The IonPac AS19 columns meets the performance requirements of US EPA Methods 300.0 and 300.1.

The new IonPac AS19 Capillary Column is packed with the same material as the equivalent standard bore version (providing the same performance as a 4 mm column), but requires only 1/100th the eluent flow rate.The capillary format provides the advantage of significantly reduced eluent consumption, which helps reduce operating costs.

  • Recommended hydroxide-selective column for trace bromate in drinking water matrices
  • High capacity: 240 μeq per column (4 × 250 mm)
  • Meets or exceeds performance requirements of US EPA Methods 300.0 and 300.1
  • Column selectivity is optimized for 30 °C operating temperature
  • Compatible with organic solvents
  • Low background signal and enhanced analyte sensitivity with the ASRS? 300 and an RFIC system

The IonPac AS19 is designed for the analysis of oxyhalides and common inorganic anions including fluoride, chlorite, bromate, chloride, nitrite, bromide, chlorate, nitrate, phosphate, and sulfate in drinking water, groundwater, wastewater, and other diverse sample matrices. The IonPac AS19 allows analysis of most drinking water without the use of sample pretreatment or preconcentration. This column is ideally used with an RFIC system for automatic eluent generation.

The key application for the IonPac AS19 is the determination of trace bromate in drinking water matrices using a potassium hydroxide gradient with suppressed conductivity detection. The selectivity of the AS19 ensures that bromate can be quantified at low μg/L concentrations using suppressed conductivity detection even in the presence of very high concentrations of chloride, sulfate, and carbonate.

Note: Use the Anion Self-Regenerating Suppressor (ASRS 300) with the IonPac AS19 column for eluent suppression.

 

IonPac AS19 Anion-Exchange Column   Specifications
Dimensions IonPac AS19 Analytical Column:
2 × 250 mm and 4 × 250 mm
IonPac AG19 Guard Column:
2 × 50 mm and 4 × 50 mm

IonPac AS19 Capillary Column:
0.4 × 250 mm
IonPac AG19 Capillary Guard Column:
0.4 × 50 mm
Maximum operating pressure 4000 psi (standard and microbore)
5000 psi (capillary)
Ion-exchange group Functional Group: Alkanol quaternary ammonium ion
Functional group characteristics Ultralow hydrophobicity
Capacity 2.4 μeq (0.4 × 250 mm capillary column)
0.06 μeq* (0.4 × 50 mm capillary guard column)
60 μeq (2 × 250 mm analytical column)
1.5 μeq* (2 × 50 mm guard column)
240 μeq (4 × 250 mm analytical column)
6 μeq* (4 × 50 mm guard column)
*Guards are packed with a low-capacity microporous resin.
Column construction PEEK with 10-32 threaded ferrule-style end fittings.
All components are nonmetallic.
Substrate characteristics Bead Diameter and Pore Size: 7.5 μm (0.4 x 250, 2 × 250 and 4 × 250 mm);
super macroporous resin (2000 ?)
12 μm (0.4 x 50, 2 × 50 and 4 × 50 mm);
microporous resin (<1 ?)
Cross-Linking (%DVB): 55%
Mobile phase compatibility pH 0–14; 0–100% HPLC solvents


Analytical Columns
IonPac AS19 Analytical Column (4 x 250 mm) 062885
IonPac AS19 Analytical Column (2 x 250 mm) 062886
IonPac AS19 Capillary Column (0.4 x 250 mm) 072064
Guard Columns
IonPac AG19 Guard Column (4 x 50 mm) 062887
IonPac AG19 Guard Column (2 x 50 mm) 062888
IonPac AG19 Capillary Guard Column (0.4 x 50 mm) 072065

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