Buchi K-437, Operation Manual

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2 Safety
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K-437 Operation Manual, Version A
2 Safety
This chapter points out the safety concept of the instrument and contains general rules of behavior
and warnings from hazards concerning the use of the product.
The safety of users and personnel can only be ensured if these safety instructions and the safety-
related warnings in the individual chapters are strictly observed and followed. Therefore, the manual
must always be available to all persons performing the tasks described herein.
2 .1 User qualification
The instrument may only be used by laboratory personnel and other persons who on account of
training or professional experience have an overview of the dangers which can develop when
operating the instrument.
Personnel without this training or persons who are currently being trained require careful instruction.
The present Operation Manual serves as the basis for this.
2 .2 Proper use K-437
The instrument has been designed and built for laboratories. It serves for the heating of concentrated
sulphuric acid for oxidation of organic sample components.
2 .3 Proper use COD Accessory with K-437
The instrument has been designed and built for laboratories. It serves for the heating of samples for a
following COD (chemical oxygen demand) determination.
2 .4 Improper use COD Accessory with K-437
Applications not mentioned above are improper. Also, applications, which do not comply with the
technical data, are considered improper.
The operator bears the sole risk for any damages caused by such improper use.
The following uses are expressly forbidden:
Use of the instrument in rooms which require ex-protected instruments. •
Use on samples, which can explode or inflame (e.g. explosives, etc.) due to shock, friction, heat or •
spark formation.