Buchi Wet Digester B-440 Manuel d'utilisateur télécharger pdf (Page 17)

6 Operation

17 B-440 Operation Manual, Version D

6 Operation

This section gives examples of typical instrument applications and instructions on how to operate the

instrument properly and safely. See also section 2.5 “Product safety” for general warnings.

The Wet Digester is also capable to perform ashing at high temperatures. However, wet diges-

tions often require aggressive acids at high temperatures for processing which are hazardous to life

forms. There is also a potential risk of ﬁ re when working with easily ﬂ ammable substances in the Wet

Digester.

WARNING

Death or serious burns by ﬂ ammable sample materials.

Do not overheat the sample materialss

Do not cover any part of the device during operation or when device is hots

Ensure ﬁ re extinguishing material is appropriate for chemicals in uses

Avoid condensation of ﬂ ammable substances at the glass hoods

WARNING

Risk of ﬁ re and serious or moderate burns when touching hot housing parts.

Always install upper and lower check plates at both sides of the heating chambers

Use the handle to lift the glass hoods

Use a tongs to handle the crucibless

Do not cover any part of the device during operation or when device it hots

CAUTION

Risk of burns by hot machine parts and glassware.

Do not touch hot parts or surfacess

Let the system and inserted glassware cool down safelys

Do not move the instrument or parts of it when hots

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Buchi Wet Digester B-440 Manuel d'utilisateur Page 17