美国戴安Dionex IonPac AS18-4µm Column 阴离子交换色谱柱


美国戴安Dionex IonPac AS18-4µm Column 阴离子交换色谱柱

简要描述:

戴安公司生产的仪器主要有离子色谱仪、高效液相色谱仪、快速溶剂萃取仪和氨基酸直接分析仪。其中离子色谱仪凭借着雄厚的技术优势和方法已广泛地应用于各个领域,其市场占有率达80%。与离子色谱相关的文章有90%均出自戴安公司生产的离子色谱仪。

型号 美国戴安P/N: 076033

Dionex IonPac AS18-4μm Hydroxide-Selective Anion-Exchange Column

Fast, High-Resolution Determination of Inorganic Anions and Low-Molecular-Weight Organic Acids

Attain the optimal combination of chromatographic speed and resolution using the new Thermo Scientific Dionex IonPac AS18-4μm anion-exchange column. This high-capacity, high-efficiency column provides excellent resolution of inorganic anions in diverse sample matrices. Compared to the previous Dionex IonPac AS18-Fast column, the new ion-exchange column uses smaller resin particles for more efficient separations resulting in faster run times, more accurate peak integration and more reliable results.The Dionex IonPac AS18-4μm anion-exchange column is the hydroxide-selective column of choice for compliance monitoring of inorganic anions in drinking water and wastewater samples in accordance with US EPA Methods 300.0 (A) and 300.1. 

The new Dionex IonPac AS18-4μm column offers the same selectivity as the Dionex IonPac AS18-Fast column, but with the reduced particle size, this column can separate the common inorganic anions in significantly less time without loss of resolution. Applications run on the Dionex IonPac AS18-Fast column can be easily transferred to the Dionex IonPac AS18-4μm column with the benefit of reduced run time with no loss in resolution. The Dionex IonPac AS18-4μm column is available in capillary format (0.4 × 150 mm), microbore format (2 × 150 mm) and standard bore format (4 × 150 mm). The capillary format offers the advantage of reduced eluent consumption, thereby lowering operating costs.  

  • Decrease run times, increase sample throughput without loss of resolution
  • Super fast isocratic separation of the common inorganic anions (less than 3 min) 
  • Recommended hydroxide-selective column for inorganic anions in diverse sample matrices
  • Inorganic anion and low-molecular weight organic acids in complex sample matrices
  • Meets performance requirements specified in US EPA Method 300.0 (A)

The smaller resin particles used in the Dionex IonPac AS18-4μm column produce increased back pressure. When operating the Dionex IonPac AS18-4μm capillary column at the standard flow rate of 0.010 mL/min, an IC system capable of operating up to 3000 psi is sufficient. However, to take advantage of the fast runs, using elevated flow rates, a high pressure capillary IC system, such as the Thermo Scientific Dionex ICS-5000+ HPIC or the Thermo Scientific Dionex ICS-4000 HPIC is required. The Dionex ICS-5000+ HPIC systems is required for standard operation of the Dionex IonPac AS18-4μm microbore and standard bore columns.

Dionex IonPac AS18-4μm Anion-Exchange Column Specifications
Dimensions Dionex IonPac AS18-4μm Capillary Column:
0.4 × 150 mm
Dionex IonPac AG18-4μm Capillary Guard Column:
0.4 × 35 mm
Dionex IonPac AS18-4μm Analytical Columns:
4 × 150 mm, 2 × 150 mm
Dionex IonPac AG18-4μm Guard Columns:
4 × 30 mm, 2 × 30 mm
Maximum Operating Pressure 5000 psi (34 MPa)
Phase Compatibility pH 0–14; 0–100% HPLC solvents
Latex Characteristics Functional Group: Alkanol quaternary ammonium ion
Latex Crosslinking: The effective crossslinking after functionalization is 8%
Latex Diameter: 65 nm
Hydrophobicity: Low
Substrate Characteristics Bead Diameter: 4 μm supermacroporous resin
Pore Size: 1500 ?
Crosslinking (%DVB): 55%
Capacity

1.71 μeq (0.4 × 150 mm capillary column)
0.07 μeq* (0.4 × 35 mm capillary guard column)
171 μeq (4 × 150 mm analytical column)
6 μeq* (4 × 30 mm guard column)
45 μeq (2 × 150 mm analytical column)
1.5 μeq* (2 × 30 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.

 

 

Analytical Columns
Dionex IonPac AS18-4μm Capillary Column (0.4 x 150 mm) 082314
Dionex IonPac AS18-4μm Analytical Column (4 x 150 mm) 076034
Dionex IonPac AS18-4μm Analytical Column (2 x 150 mm) 076036
Guard Columns
Dionex IonPac AG18-4μm Capillary Guard Column (0.4 x 35 mm) 076033
Dionex IonPac AG18-4μm Guard Column (4 x 30 mm) 076035
Dionex IonPac AG18-4μm Guard Column (2 x 30 mm) 076037

 

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