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5 Customer Reviews
The reviews are automatic translation.
pH meter calibration
On 2017-03-19 11:09:50
You very helpful because the cheap. I will be using this again.
Calibration of PH meter
On 2016-10-20 16:12:34
Since some of the expiration date, it may be able to buy cheaper.
PH confirmation at the time of electrolytic water generation
On 2016-06-15 15:29:42
Just good amount amount of contents as a regular calibration solution.
To investigate the degree of acidity of lactic acid bacteria.
On 2015-12-08 20:44:09
Although there is no difficulty in the product itself, I do not plan to use it in large quantities, so I would like a little more of the vial. It is easy to use if there is something that is set to 6.86 in a small bottle.
Preparation of ph measuring instrument
On 2013-07-18 14:36:21
Is it impossible to combine ph7 and ph4? When one is put together, one becomes mad.
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