IKA C 6010 Mode D'emploi page 12

Explosive substances:
Many substances tend to combust in an explosive manner (for example because
of the formation of peroxide). This may cause the decomposition vessel to burst.
The C 6010 and C 6012 standard decomposition vessels must not be
used for examinations on samples that are capable of exploding. It is
absolutely essential to use a special high-pressure decomposition vessel
to contain the sample in these cases!
Notes on the sample:
Substances of which the combustion behavior is not known must be examined for
their combustion behavior before combustion in the decomposition vessel C 6010
and C 6012 (danger of explosion).
If you are burning unknown samples, leave the room or keep a safe distance
between you and the calorimeter.
Benzoic acid must only be burned in the form of pellets! Combustible dust and
powder must be compressed into pellets before combustion. Oven-dry dust and
powder such as wood chips, hay, straw, etc. burn in an explosive manner! They
must be moistened first! Readily combustible liquids with a low vapor pressure
must not be come in direct contact with the cotton thread (for example tetra-
methyl dihydrogen disiloxan)!
Combustion residue, auxiliary materials:
In addition, toxic residues of combustion are possible in the form of gasses, ash or
precipitates on the inner wall of the decomposition vessel, for example.
Observe the accident prevention requirements applicable to the activ-
ity and the work station. Wear personal safety equipment.
When handling combustion samples, combustion residues and auxiliary mate-
rials, the appropriate safety requirements must be observed. The following are
examples of substances that may cause dangers:
corrosive
easily flammable
capable of exploding
contaminated with bacteria
toxic
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Oxygen:
When working with oxygen, observe the appropriate requirements.
Danger warning: As a compressed gas, oxygen promotes combustion, supports
combustion intensively and may react violently with combustible substances. Do
not use any oil or grease!
Using a crucible made of stainless steel:
When using crucibles made of stainless steel, their condition should be carefully
checked after every experiment.
A reduction in the thickness of the material may cause the crucible to burn and
may damage the C 6010 and C 6012 decomposition vessel.
For reasons of safety, crucibles must not be used any more after a maximum of
25 combustion procedures.
Ignition wire:
The decomposition vessel C 6010 and C 6012 are equipped with a fixed ignition
wire. Since the ignition wire is subjected to a high degree of material stress during
combustion, it should be replaced after 100 tests for C 6010 (kanthal) and after
50 tests for C 6012 (platinum) at the latest.
Specification of the decomposition vessel:
The decomposition vessel is manufactured in accordance with the regulation for
pressure vessels 2014/68/EU and the regulations AD 2000. This can be rec-
ognized from the CE symbol with the identifying number of the testing station
named. The decomposition vessel is a pressure device of Category III. The decom-
position vessel has been subjected to an EC prototype test. The CE declaration of
conformity represents our guarantee to you that this decomposition vessel com-
plies with the pressure device described in the EC prototype test certificate. The
decomposition vessel has been subjected to a pressure test at a test pressure of
330 bar (33 MPa) and a leak test with oxygen at 30 bar (3 MPa).