The explanation of how to use was exactly the same thing when it was bought elsewhere than it was when it was bought elsewhere and it was simplified and it became difficult to understand, and the thing to use also was better. The examination can be done easily, and although the results are properly displayed, it is difficult to know firmly what kind of ppm the results of examination by color is subtle. You know exactly how much it comes out or not at all whether it goes out so much.
Measurement of residual chlorine in disaster prevention well water (approximate)
On 2015-06-19 17:00:33
Used as part of environmental measurements of water. There is no problem in measurement as a guide. What is the measurement method for public institutions or environmental measurement companies? I want data such as the relative error between the measured value at the public institution and the measured value of this kit.