Buchi K-370 - 2 Daily Maintenance before Working with the Instrument; Ph Electrode; Calibrating the Ph Electrode; Priming

2 Daily maintenance before working with the instrument
6 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-371 is connected.
Prime the system 1 - 3 times by pressing [Run]
before starting the analysis.