Buchi K-370, Быстрое руководство

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2 Daily maintenance before working with the instrument
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K-370/371
Quick Guide, Version B
2 Daily maintenance before working with the instrument
2 .1 pH electrode
Rinse the pH electrode and place it into the receiving vessel.
2 .2 Calibrating the pH electrode
NOTE
It is recommended to use buffer solutions pH 4.00 and 7.00.
Discard buffer solutions after usage. Work with fresh solutions every day.
Select Operator > pH Calibration . Press
[Run] , and follow the SOP given by the software.
2 .3 Priming
Priming is used to prepare the entire system. Prior to the priming procedure check the chemical level
and switch on the cooling water. Priming includes distillation and titration with a clean and empty
sample tube. It is recommended to perform a priming at least once a day, before starting analysis. The
priming method can be modified.
Prime the system as follows:
Select
Operator > System Preparation >
Priming .
Activate Proceed via Sampler if an Autosampler
K-71 is connected.
Prime the system 1 - times by pressing [Run]
before starting the analysis.