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更新時間：2019-11-19
Dionex IonPac ICE-AS1 離子排斥柱 043197用于分離復雜基質或高離子強度樣品中的弱酸及脂肪醇。特別適用于直鏈有機酸的快速分離。
用途和特點：
IonPac ICE-AS1離子排斥柱用于分離復雜基質或高離子強度樣品中的弱酸及脂肪醇。特別適用于直鏈有機酸的快速分離。
Dionex IonPac ICE-AS1 離子排斥柱 043197
訂貨信息：
| 分析柱 | |
| IonPac ICE-AS1 Analytical Column (9 × 250 mm) | 043197 |
| IonPac ICE-AS1 Analytical Column (4 x 250 mm) | 064198 |
| 保護柱 | |
| IonPac ICE-AS1 Guard Column (4 x 50 mm) | 067842 |
The IonPac? ICE-AS1 ion-exclusion column provides fast analysis of aliphatic organic acids and alcohols in complex or high-ionic-strength samples, including foods and beverages, biological samples, fermentation baths, industrial process liquors, and wastewaters.
Fast separation of organic acids
Ideal for electroactive ions such as cyanide and sulfite
Useful for organic acids and alcohols in complex sample matrices
The IonPac AS11 is recommended for fast analysis of organic acids and inorganic anions in well-characterized samples. Use the high-capacity IonPac AS11-HC for organic acids and inorganic anions in complex sample matrices.
With the IonPac ICE-AS1 column, weakly ionized acids are separated by pKa differences, size, and hydrophobicity. Strong acid anions such as chloride, oxalate, and sulfate elute in the void and do not interfere with quantification of the organic acids. The ICE-AS1 column can be used with any typical strong acid eluent and a wide variety of detectors, including conductivity, amperometry, photometry, and refractive index, to determine aliphatic organic acids.
Note: Use the Anion MicroMembrane? Ion-Exclusion Suppressor (AMMS? ICE 300) with the ICE-AS1 column.
| IonPac ICE-AS1 Ion-Exclusion Column Specifications | |
|---|---|
| Dimensions | 9 × 250 mm |
| Maximum operating pressure | 1000 psi (6.9 MPa) |
| Mobile phase compatibility | pH 0–7 (Use eluents containing only hydronium ion as the cation. Avoid eluents containing sodium, potassium, etc.); 0–50% HPLC solvents |
| Substrate characteristics | Bead Diameter: 7.5 μm Bead Type: Microporous Cross-Linking (%DVB): 8% |
| Functional group characteristics | Ion-Exchange Group: Sulfonic acid Surface Characteristics: Hydrophilic |
| Capacity | 27 meq (9 × 250 mm analytical column) |
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