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Instrument Database:
Metrohm AG - 705 UV Digester
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| Year of introduction |
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| Status |
available |
| Company |
Metrohm AG
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| Categories |
Sample preparation: UV Digestion
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Digestion instrument for the UV photolysis of water samples with low to moderate amount of organic matter. For sample preparation in voltammetry, ion chromatography, and spectroscopy (AAS, ICP). Comprises a control unit with integrated timer and a separate wet part with UV lamp, cooling equipment, and rack for 12 sample digestion tubes with a sample volume of max. 12 mL each. Instrument for 220 V and 50 Hz.
Most important features - Simultaneous digestion in 12 or 16 quartz sample tubes, depending on the sample volume
- As only minimal amounts of expensive digestion chemicals are needed (typically 50 µL), the blank value is virtually zero
- The costs and the load on the environment are minimal
- The digested solution can be used directly without the need for aliquot sampling or topping up
- The digestion temperature of approx. 90 °C means most effective digestion and practically no losses of volatile elements
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| Specifications |
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Timing - Automatic irradiation time control from 0 … 12 h
Temperature control - Combined air-water cooling system
- Continuously adjustable valve for cooling the water flow rate
- Overheating protection
Samples - 12 sample tubes (12 mL volume each)
- 16 sample tubes (5 mL volume each, option)
UV lamp - High-pressure mercury lamp
Radiation source power |  | | Dimensions in mm (W/H/D) | | 250/125/350 | | |
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