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美国戴安 P/N: Dionex IonPac AS24 Column 阴离子交换色谱柱

产品信息
IonPac AS24 Hydroxide-Selective Anion-Exchange ColumnFor Separation of Haloacetic Acids and Bromate in Drinking Water 

The Thermo Scientific Dionex IonPac? AS24 is a high-capacity hydroxide-selective anion-exchange column optimized for the separation of haloacetic acids (HAAs) as well as a variety of environmental anions. The capacity and selectivity enables analysis of haloacetic acids in drinking water at low-μg/L concentrations. The Dionex IonPac AS24 2 × 250 mm column is specifically designed for separation of haloacetic acids in drinking water prior to MS or MS/MS detection and is the specified column in US EPA Method 557. 

  • Specified column for US EPA Method 557 (2 × 250 mm)
  • High capacity: 140 μeq per column (2 × 250 mm)
  • Determine HAAs in high-ionic strength matrices without sample pretreatment
  • Column selectivity is optimized for a 15 oC operating temperature
  • Compatible with HPLC organic solvents
  • Used as second dimension column in 2-D method for bromate in US EPA Method 302.0 (2 × 250 mm)
  • Extended application capabilities providing excellent separation of environmental anions
Thermo Scientific Dionex IonPac? AS24 Anion-Exchange Column Specifications
Substrate Characteristics:Bead Diameter and Pore Size:
7 μm (2 × 250 mm); super macroporous resin (2000 ?)
11 μm (2 × 50 mm); microporous resin (<10 ?)
Crosslinking (%DVB): 55%
Ion Exchange Group:Functional Group: Alkanol quaternary ammonium ion
Functional Group Characteristics:Ultralow hydrophobicity
Capacity:140 μeq (2 × 250 mm analytical column)
1.5 μeq* (2 × 50 mm guard column)
*Guard is packed with a low-capacity microporous resin.
Column Construction:PEEK? with 10-32 threaded ferrule style end fittings.
All components are nonmetallic.
Dimensions:Dionex IonPac AS24 Analytical Column:
2 × 250 mm
Dionex IonPac AG24 Guard Column:
2 × 50 mm
Maximum Operating Pressure:3000 psi
Phase Compatibility:pH 0–14; 0– HPLC solvents



Analytical Columns
IonPac AS24 Analytical Column (2 x 250 mm)064153
Guard Columns
IonPac AG24 Guard Column (2 x 50 mm)064151
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