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22
2017-12 -
How to "repair" the pH electrode?
The damage of pH composite electrode is caused by the following three factors, such as reduced sensitivity gradient, slow response and poor repeatability of reading. The general customers can adopt appropriate methods to repair.(1)... [MORE]
From：Common Problem Admin：MINBO INSTRUMENTS
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22
2017-12 -
How does the pH electrode be cleaned?
Bubble and liquid junction serious pollution situation, you can first use the following solvent cleaning, then deionized water to solvent, the activation electrodes immersed in soaking solution.Pollutant cleaning agentInorganic metal oxides... [MORE]
From：Common Problem Admin：MINBO INSTRUMENTS
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22
2017-12 -
How to use the pH composite electrode correctly?
(1) there should be no bubbles in the front of the bubble, if a bubble should be flung out.(2) after the electrode is removed from the soaking bottle, it should be sloshing and drying in the deionized water, and do not wipe the bulb with... [MORE]
From：Common Problem Admin：MINBO INSTRUMENTS
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22
2017-12 -
What is the liquid junction? Why should the reference solution with a high concentration of KCl?
In the pH measurement process, using the reference electrode, in most cases the reference electrode with salt solution. The reference electrode through the salt bridge solution and the solution to be measured and communicated in the... [MORE]
From：Common Problem Admin：MINBO INSTRUMENTS
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22
2017-12 -
Why should the pH electrode be soaked and how to soak the pH composite electrode properly?
The pH electrode must be soaked before use, because pH bubble is a special glass membrane. There is a thin hydrated gel layer on the surface of the glass membrane. It can react well with H+ ions in the solution only under full wetting... [MORE]
From：Common Problem Admin：MINBO INSTRUMENTS
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22
2017-12 -
On the rechargeable and non rechargeable pH composite electrodes
The rechargeable pH composite electrode has a liquid hole on the shell of the electrode. When the external reference solution of the electrode is lost, the liquid hole can be opened and the KCl solution is resupplemented. The gel like KCl... [MORE]
From：Common Problem Admin：MINBO INSTRUMENTS