Dionex IonPac AS14 Column 阴离子交换填充柱简要描述：
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。 戴安公司的快速溶剂萃取仪15分钟之内仅用15毫升溶剂既可完成对10g样品的萃取，该技术已在环境、药物、食品和聚合物工业等领域得到广泛应用。
IonPac AS14 Carbon Eluent Anion-Exchange ColumnFor the Analysis of Fluoride and Other Inorganic Anions
The IonPac?AS14 is designed for fast analysis of the common inorganic anions in diverse sample matrices.
Common inorganic anions are resolved in 13 minutes using an isocratic carbonate/bicarbonate eluent.Sodium tetraborate gradient optimizes difficult separations.The AS14 column meets or exceeds US EPA Method 300.0 (A) performance requirements.
The AS14 supports the separation of inorganic anions, including fluoride, chloride, nitrite, bromide, nitrate, phosphate, and sulfate using a carbonate/bicarbonate eluent coupled with suppressed conductivity detection. With the AS14, inorganic anions can be determined easily in drinking water, wastewater, foods and beverages, scrubber solutions, and other diverse sample matrices.
For simplified operation, use the AS14 Eluent Concentrate and the Combined Seven Anion Standard. Use the Anion Self-Regenerating Suppressor (ASRS 300) with the AS14 column for low-noise operation.
Note: See also the IonPac AS22, the latest column recommended for fast analysis of inorganic anions.
| IonPac AS14 Anion-Exchange Column Specifications |
|---|
| Dimensions | IonPac AS14 Analytical Column:2×250 mm and 4×250 mmIonPac AG14 Guard Column:2×50 mm and 4×50 mm |
| Maximum operating pressure | 27.6 MPa (4000 psi) |
| phase compatibility | pH 2–12; 0–100% HPLC solvents |
| Substrate characteristics | Bead Diameter: 9 ?mPore Size: 100 ?Cross-Linking (%DVB): 55% |
| Functional group characteristics | Ion-Exchange Group: Surface-functionalized alkyl quaternary ammonium ion Hydrophobicity: Medium High |
| Capacity | 16 ?eq (2×250 mm analytical column)65 ?eq (4×250 mm analytical column) |
| Column construction | PEEK with 10-32 threaded ferrule-style end fittings.All components are nonmetallic. |
| Analytical Columns |
|---|
| IonPac AS14 Analytical Column (4 x 250 mm) | 046124 |
| IonPac AS14 Analytical Column (2 x 250 mm) | 046129 |
| Guard Columns |
|---|
| IonPac AG14 Guard Column (4 x 50 mm) | 046134 |
| IonPac AG14 Guard Column (2 x 50 mm) | 046138 |
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