5
Safety for users
AZURA® Valve Unifier VU 4.1 Instructions V6855
Knowledge regarding substances that are suitable only to a limited extent
for use in liquid chromatography
Knowledge regarding the health risks of chemicals
Participation during an installation of a device or a training by the company
KNAUER or an authorized company.
If you do not belong to this or a comparable professional group, you may not
perform the work described in this user manual under any circumstances. In
this case, please contact your superior.
Safety equipment
When working with the device, take measures according to lab regulations
and wear protective clothing:
safety glasses with side protection
protective gloves
overall
What must be taken into account?
all safety instructions
The environmental, installation and connection specifications
When working with solvents, make sure the room is well-ventilated.
National and international regulations pertaining to laboratory work
Original spare parts, tools, and eluents made or recommended by
KNAUER
Good Laboratory Practice (GLP)
Accident prevention regulations published by the accident insurance com-
panies for laboratory work
Filtration of substances under analysis
Use of inline filters
Once they have been used, never re-use capillaries in other areas of the
chromatography system.
Only use a given PEEK fitting for one specific port and never re-use it for
other ports. Always install new PEEK fittings on each separate port.
Follow KNAUER or manufacturer's instructions on caring for the columns
More safety-relevant information is listed in alphabetical order in the follow-
ing table:
Flammability: Organic eluents are highly flammable. Since capillaries can
detach from their screw fittings and allow eluent to escape, it is prohibited
to have any open flames near the analytical system.
Solvent tray: Risk of electrical shock or short circuit if liquids get into the
device's interior. For this reason, place all bottles in a solvent tray.
