Freeze-drying of acid-containing products
Freeze-drying of products containing acids is only permissible if special
protective measures and equipment-related precautions are taken. Other-
wise, there is a risk of damage to property and personal injury. Consultation
of Martin Christ Gefriertrocknungsanlagen GmbH is absolutely mandatory
in order to define the measures that need to be taken!
Any other use beyond this area of application is regarded as improper use.
Martin Christ Gefriertrocknungsanlagen GmbH cannot be held liable for any
damage resulting from such improper use.
The intended use also includes:
• observation of all the notes and instructions included in the operating
manual;
• compliance with the inspection and maintenance instruction.
The following operations are regarded as NOT PERMISSIBLE:
• operation of the freeze-dryer if it is not properly installed
• use of the freeze-dryer if it is not in a perfect technical state;
• use of the freeze-dryer within hazardous locations where there is a risk
of explosions:
• use of the freeze-dryer with unauthorised additions or conversions
without the written approval by Martin Christ Gefriertrocknungsanlagen
GmbH;
• use of the freeze-dryer with accessories that have not been approved
by Martin Christ Gefriertrocknungsanlagen GmbH, with the exception of
commercially available freeze-drying vessels made of glass or plastic;
• use of the freeze-dryer with concentrated solvents;
• freeze-drying of products that may react during the freeze-drying
process following the supply of high amounts of energy, e.g. solvent-
containing products;
• freeze-drying of products containing azides;
• freeze-drying of products that may damage the material of the chamber
walls, shelves, pipes, or seals, or that may affect the mechanical
strength.
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1.3 Warranty and liability
The warranty and liability are subject to our "General Terms and
Conditions" that were distributed to the operator upon the conclusion of the
contract.
Warranty and liability claims are excluded if they are due to one or several
of the following reasons:
• improper use
• non-compliance with the safety instructions and hazard warnings in the
operating manual
• improper installation, start-up, operation, and maintenance of the
freeze-dryer.
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