Metrohm - Model Metrosep Dual 4 - 100/4.6 6.1016.030 -Column
The Metrosep Dual 4 separation columns are based on a functionalized Monolith based on silica gel. The Monolith permits an eluent flow of up to 5 mL/min. Despite the high flow, the column is characterized by low backpressure. In contrast to traditional materials, the Monolith has a much larger surface due to its structure of macropores and mesopores. This contributes to the high column capacity with simultaneously very low dead volume.
The Metrosep Dual 4 - 100/4.6 is suitable for a great number of applications. All standard anions can thus be separated in less than nine minutes. The high column capacity makes it largely insensitive to matrix influences. Even in a matrix of 3 g/L chloride, carbonate and sulfate, 0.5 µg/L perchlorate can be detected. The column is therefore used in perchlorate analysis in accordance with EPA standard 314.
- Column capacity: 74 µmol
- Column dimensions: 100 x 4.6 mm
- Eluents:
- Standard eluent:
- Cyanophenol: 12 mmol/L; 2859 mg/2 L
- KOH: pH = 7.4 ± 0.1
- Housing material: PEEK
- Max. pressure: 20 MPa
- Maximum flow: 5.0 mL/min
- Organic modifier: 0 - 5%
- Particle size: 2 µm makro / 13 nm meso
- pH range: 2–8
- Standard flow: 2.0 mL/min