Operational recommendations
Any slight blockage in the Nebuliser will cause readings to show a
downward trend. Aspirating deionised water at all times that
standards and samples are not being analysed, and for at least
ten minutes after use, will minimise this risk. However, the
syringe provided may be used to force diluent through the
aspiration tube and nebuliser while the instrument is aspirating if
problems with blockage are experienced.
Ensure there is no evidence of grease or other deposits on the
outside of the Aspiration Tube, since this can pick up small
droplets of diluent/sample and cause cross contamination.
If this occurs, clean the outside of the tube with IPA or a similar
de-greasing agent.
Always use genuine BWB Technologies Ltd replacement parts
and qualified personnel to carry out any work on the instrument.
Always carry out maintenance when indicated or in line with
your organisations standard operating procedures (SOPs)
The front panel is impervious to many chemicals. However,
some chemicals may attack it. Immediately wipe up all spills.
Clean with a mild soap or detergent and wipe with a soft cloth.
A plastic based paint is used to protect the enclosure from harsh
environments, however, some chemicals will still cause damage,
immediately wipe up all spills on the drip tray. Clean with a mild
soap or detergent and wipe with a soft cloth.
To maintain a consistent sample head, it is recommended that
samples and standards are taken from low volume, larger
diameter beakers. If tall, narrow sample cups are used, the
sample head will vary considerably and this will affect the rate of
aspiration and thus the stability of results.
8
Information on decontaminants their use, dilution and potential
application is contained in the laboratory biosafety manual
published by the world health organisation and the biosafety in
microbiological and biomedical laboratories, published by centres
for disease control and prevention and national institutes of
health Washington. There are also national guidelines that cover
these areas.
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