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Dionex IonPac AS24 Column 阴离子交换色谱柱

品牌：美国戴安
型号：美国戴安 P/N: 064151
产地：美洲美国
供应商报价：面议

上海希言科学仪器有限公司更新时间：2024-10-09 09:12:44

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产品特点

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%。全球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。

详细介绍

IonPac AS24 Hydroxide-Selective Anion-Exchange Column

For 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 ?C 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 ?m (2 × 250 mm); super macroporous resin (2000 ?) 11 ?m (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 ?eq (2 × 250 mm analytical column) 1.5 ?eq* (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; 0–100% HPLC solvents