INSTRUCTION MANUAL CODE 80188 REV E
J
.P. SELECTA s.a.u.
Jun/2018
2 Safety
PRO-NITRO "S" unit has the suitable measures for its use in laboratory. However,
the nitrogen analysis by the Kjeldahl method can be hazardous and the user must
be informed of some of those risks.
In order to be respected, across this manual, the risk of danger situations are
remarked.
2.1 Safety symbols
It identify the risk and the safety actions to be applied.
The symbols make reference to the paragraph marked with a grey line.
Warning
Warning of a dangerous operation.
Indicated instruction must be followed.
Hazard of contact with corrosive substances
Hazard of contact with sodium hydroxide and strong acid, substances that attack
skin, clothes and other materials easily.
Follow the instructions for the describe operation.
Hazard of electrical shock
Electric hazard for entering in areas marked with this signal, or for following the
manual instruction signalled by this icon.
Follow the instructions for the describe operation.
Hazard of burns to be in contact with hot surfaces.
Temperature in this area can exceed 60ºC. Use heat protected gloves for the
described action.
Follow the instructions for the describe operation.
Wear gloves mandatory
The use of gloves is obligatory to run the operation.
In the section «Accessories» an advised model is indicated.
Mandatory use of safety glasses
The use of safety glasses or complete face protection is obligatory to conduct the
described operation.
In the section «Accessories» an advised model is indicated.
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