BÜCHI Labortechnik AG Safety | 2
Operation Manual UniversalExtractor E-800 9/88
2 Safety
2.1 Proper use
The UniversalExtractor E-800 is designed for the extraction (solid-liquid extraction) of
samples with known solvents or solvent mixtures and the reduction or drying of the
extract. The UniversalExtractor E-800 can be used in laboratories for the following
tasks:
Economic Continuous Extraction (without chamber heater)
Soxhlet Extraction (with and without chamber heater)
Continuous Extraction (with and without chamber heater)
Hot Extraction (with chamber heater)
Soxhlet warm Extraction (with chamber heater)
Twisselmann Extraction (with chamber heater)
2.2 Use other than intended
Use of any kind other than that described in Proper use and any application that does
not comply with the technical specifications constitutes use other than that intended.
In particular, the following applications are not permissible:
Use of the instrument in areas which require explosion-safe apparatus.
Processing samples which could be caused to explode or ignite by impact, friction,
heat or sparks (e.g. explosives).
Use of the instrument with samples that react with solvent.
Use of the instrument with solvents containing peroxides.
Use of the instrument with other than original BUCHI glassware.
Use of the instrument in overpressure situations.
Use of the instrument outside a fume hood.
Use of the instrument with solvent mixtures.
Use of the instrument with solvents with boiling points which is less than 30 °C.
Use of the instrument with solvents with boiling points which is more than 150 °C.
2.3 Staff qualification
Unqualified persons are unable to identify risks and are therefore exposed to greater
dangers.
The device may only be operated by suitably qualified laboratory staff.
These operating instructions are aimed at the following target groups:
Users
Users are persons that meet the following criteria:
They have been instructed in the use of the device.
They are familiar with the contents of these operating instructions and the applica-
ble safety regulations and apply them.
They are able on the basis of their training or professional experience to assess
the risks associated with the use of the device.
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