赛默飞Thermo IonPac AS18 Hydroxide-Selective Anion-Exchange Column离子色谱IC柱
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For Determination of Inorganic Anions and Low-Molecular-Weight Organic AcidsThe IonPac®AS18 anion-exchange column is the
For Determination of Inorganic Anions and Low-Molecular-Weight Organic Acids
The IonPac®AS18 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 newIonPac AS18-Fast columns offer the same selectivity as the AS18 analytical scale columns, but with a reduced length of 150 mm, these columns can separate the common inorganic anions in significantly less time. The capillary format offers the advantage of reduced eluent consumption, thereby lowering operating costs.
Fast separation of the common inorganic anions (4 min) using the AS18-Fast columns
Recommended hydroxide-selective column for inorganic anions in diverse sample matrices
Isocratic separation of common inorganic anions in 9 minutes
Inorganic anion and low-molecular weight organic acids in complex sample matrices
Superior retention and quantification of fluoride, acetate, and formate
Meets performance requirements specified in US EPA Method 300.0 (A)
The IonPac AS18 column can determine inorganic anions and low-molecular-weight organic acids in a variety of sample matrices. This column has excellent retention of fluoride from the water dip. It is approved for compliance monitoring of inorganic anions in drinking water and wastewater samples in accordance with US EPA Methods 300.0 and 300.1. The AS18 column is now available in capillary format providing the advantage of reduced eluent consumption, thereby lowering operating costs.
IonPac®AS18 Anion-Exchange Column Specifications | |
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Dimensions | IonPac AS18 Analytical Column: |
Maximum operating pressure | 4000 psi (standard and microbore) 5000 psi (capillary) |
Mobile 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 and Pore Size: 7.5 µm (0.4 × 250, 2×250, 4 × 250, 0.4 × 150 mm, 2 ×150 and 4 × 150); supermacroporous resin (2000 Å) 13 µm (0.4 x 50 mm, 2 × 50, 4 × 50, 2 × 30, 4 × 30, and 0.4 × 35 mm); microporous resin (<10 Å) Crosslinking (%DVB): 55% |
Capacity | 1.71 µeq (0.4 × 150 mm capillary column) |
Column construction | PEEK with 10-32 threaded ferrule-style end fittings. All components are nonmetallic. |
Isocratic separation of inorganic anions, organic acids, and oxyhalides using the IonPac AS18 capillary column.
Fast separation of inorganic anions at higher flow rates on the IonPac AS18-Fast column.
Two municipal drinking water samples separated using the IonPac AS18-Fast column.
Fast isocratic separation of the common inorganic anions on an IonPac AS18 column.
Determination of inorganic anions in a drinking water sample on an IonPac AS18 column using a potassium hydroxide gradient delivered by an eluent generator.
Determination of inorganic anions in a wastewater sample on an IonPac AS18 column using a potassium hydroxide gradient delivered by an eluent generator.
Fast dual-gradient separation of environmental anions using the IonPac AS18 column.
Isocratic separation of inorganic anions on the IonPac AS18 column.
Analysis of bottled water using the IonPac AS18 column.
Fast separation of the common inorganic anions using an IonPac AS18-Fast Capillary column. Increasing flow rate can separate common anions 3× faster than a 250 mm long AS18 column.
Analytical Columns | |
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IonPac AS18 4 mm Analytical Column (4 x 250 mm) | 060549 |
IonPac AS18 2 mm Analytical Column (2 x 250 mm) | 060553 |
IonPac AS18-Fast Capillary Column (0.4 x 150 mm) | 072062 |
IonPac AS18-Fast Analytical Column (4 x 150 mm) | 075760 |
IonPac AS18-Fast Analytical Column (2 x 150 mm) | 075759 |
IonPac AS18 Capillary Column (0.4 x 250 mm) | 075772 |
Guard Columns | |
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IonPac AG18 4 mm Guard Column (4 x 50 mm) | 060551 |
IonPac AG18 2 mm Guard Column (2 x 50 mm) | 060555 |
IonPac AG18-Fast Capillary Guard Column (0.4 x 35 mm) | 072063 |
IonPac AG18-Fast Guard Column (4 x 30 mm) | 075762 |
IonPac AG18-Fast Guard Column (2 x 30 mm) | 075761 |
IonPac AG18 Capillary Guard Column (0.4 x 50 mm) | 075773 |
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