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Metrohm - Model Metrosep Anion Dual 2 - 75/4.6 6.1006.100 -Column
FromMetrohm AG
The Metrosep Anion Dual 2 - 75/4.6 is based on an acrylate polymer. Without chemical suppression, it can be used with conventional phthalic acid eluents and a range of other eluent systems. The advantages of working without chemical suppression – simple analytical method and linear calibration – can thus be taken advantage of. When used with chemical suppression, the column impresses with its outstanding separating efficiency, particularly with respect to the ions which elute early (fluoride, acetate, formate). The separation between fluoride and the "water dip" and between chloride and nitrite is remarkable.
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- Carrier material: Polymethacrylate with quaternary ammonium groups
- Column capacity: 17 µmol (Cl–)
- Column dimensions: 75 x 4.6 mm
- Eluents:
- Phthalic acid eluent (standard eluent)
- without chemical suppression
- Phthalic acid: 5.0 mmol/L; 1,660 mg/2 L
- Acetonitrile: 2%; 40 mL/2 L
- NaOH: pH = 4.5
- Carbonate eluent (standard eluent)
- with chemical suppression
- Sodium hydrogen carbonate: 2.0 mmol/L; 336 mg/2 L
- Sodium carbonate: 1.3 mmol/L; 276 mg/2 L
- Housing material: Stainless steel
- Max. pressure: 7 MPa
- Maximum flow: 1.2 mL/min
- Organic modifier: 0 - 20%
- Particle size: 6 µm
- pH range: 1–12
- Standard flow: 0.8 mL/min
