IonPac AS21 Hydroxide-Selective Anion-Exchange Column
For Fast Analysis of Trace Perchlorate in Drinking Water Prior to Detection with MS/MS
The AS21 hydroxide-selective anion-exchange column is specifically designed for determination of trace perchlorate in drinking water prior to MS/MS detection. The capacity and selectivity enable fast analysis of perchlorate at low μg/L concentrations. The AS21 is the specified column in US EPA Method 331.0.
Fast separation of perchlorate prior to MS/MS detection
Optimized for methylamine or hydroxide mobile phases
Specified column for US EPA Method 331.0
Optimum capacity: 45 μeq per column (2 × 250 mm)
Operates at ambient or elevated temperatures
Compatible with organic solvents
The AS21 2 × 250 mm column format was specifically developed for MS/MS compatibility to allow use of volatile mobile phases such as methylamine.
IonPac AS21 Anion-Exchange Column Specifications |
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Dimensions: | IonPac AS21 Analytical Column: 2 × 250 mm IonPac AG21 Guard Column: 2 × 50 mm |
Maximum Operating Pressure: | 3000 psi |
Mobile Phase Compatibility: | pH 0–14; 0–100% HPLC solvents |
Substrate Characteristics: | Bead Diameter and Pore Size: 7 μm (2 × 250 mm); super macroporous resin (2000 ?) 11 μm (2 × 50 mm); microporous resin (<1 ?) Crosslinking (%DVB): 55% |
Ion Exchange Group: | Functional Group: Alkanol quaternary ammonium ion |
Functional Group Characteristics: | Ultralow Hydrophobicity |
Capacity: | 45 μeq (2 × 250-mm analytical column) 1.5 μeq* (2 × 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. |
Analytical Columns |
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IonPac AS21 Analytical Column (2 x 250 mm) | 063009 |
Guard Columns |
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IonPac AG21 Guard Column (2 x 50 mm) | 063071 |
IonPac AS21氢氧化物选择性阴离子交换柱 2 x 250 mm信息由上海希言科学仪器有限公司为您提供,如您想了解更多关于IonPac AS21氢氧化物选择性阴离子交换柱 2 x 250 mm报价、型号、参数等信息,欢迎来电或留言咨询。除供应IonPac AS21氢氧化物选择性阴离子交换柱 2 x 250 mm外,上海希言科学仪器有限公司还可为您提供奥立龙Accumet AE SJ pH/自动温度补偿电极13-620-AE6、奥立龙双液接pH电极(含ATC)13-620-AP61、奥立龙双液接pH电极(含ATC)13-621-701等产品,公司有专业的客户服务团队,是您值得信赖的合作伙伴。