IKA C 7000 Operating Instructions Manual page 8

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In order to be able to use the appliance properly and safely, every user must first
read the operating instructions and observe the safety instructions contained
therein. Take care of these operating instructions and keep them in a place where
they can be accessed by everyone.
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The C 7000 calorimeter system may only be used to determine the gross calorific
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value of solid and liquid materials in accordance with DIN 51900 and ISO 1928. For
this purpose, use only original IKA® decomposition vessels C 7010 and C 7012. For
further details please see the operating instructions of the decomposition vessels
C 7010 and C 7012.
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The maximum amount of energy input into the decomposition vessel must not ex-
ceed  - (select the weight of the sample accordingly). The permissible oper-
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ating pressure of  EDU  0SD must not be exceeded. The maximum permissi-
ble operating temperature must not exceed  ƒ&.
Do not fill the decomposition vessel too full of the sample. Only fill the decomposi-
tion vessel with oxygen up to a maximum pressure of  EDU  0SD . Monitor the
adjusted pressure on the pressure reducer. Perform a check before every combus-
tion to ensure there are no leaks combustion (please observe the operating instruc-
tions of the decomposition vessels C 7010 and C 7012, chapter "Leakage test").
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Many substances tend to combust in an explosive manner (for example because of
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the formation of peroxide). This may cause the decomposition vessel to burst.
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Substances of which the combustion behavior is not known must be examined for
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their combustion behavior before combustion in the decomposition vessel C 7010 or
C 7012 (danger of explosion). If you are burning XQNQRZQ VDPSOHV, leave the room
or NHHS D VDIH GLVWDQFH EHWZHHQ you and the calorimeter.
Benzoic acid must only be burned in the form of pellets! Combustible dust and pow-
der 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 tetramethyl dihydrogen
disiloxan)!
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In addition, toxic residues of combustion are possible in the form of gasses, ash or
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precipitates on the inner wall of the decomposition vessel, for example.
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IKA -WERKE C 7000
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Ver. 07 09.07