Water quality of pure uv water purifier
how to basically be to see whether the equipment the electrical conductivity of conform to the standards of production water, of course, different requirements for the equipment of the electrical conductivity of industry is not the same, but the water treatment industry recognized the conductivity of pure uv water purifier is 2 mu S/cm, this standard can accord with the requirement of general industry of water quality.
Therefore, it is necessary for us to master the conductivity of pure water equipment in time, to see if the output water quality standards.
Today small make up take you to get to know the pure water equipment was developed for the determination of the conductivity method.
Pure water equipment on-line conductivity with temperature, PH value are closely related.
So at the time of measuring conductivity need to fully consider the temperature and PH value.
Electrical conductivity measurement method in detail is as follows: (
Use online or offline conductivity meter, record the measured temperature.
In table 1, the determination of the temperature corresponding conductivity value is the limit.
Such as determination of temperature is not listed in table 1, should be obtained by linear interpolation method to calculate limit value.
Such as the determination of the electrical conductivity of value is not greater than the limit value, the sentence to comply with the rules;
Such as the determination of the electrical conductivity of value is greater than the limit value, the sentence to do not conform to the rules.
Take sufficient quantity of water samples (
Not less than 100 ml)
, appropriate containers, mixing, adjust the temperature to 25 ℃, violent mixing, measuring conductivity every 5 minutes, when the change of the conductivity value less than 0.
1 mu S/cm, recorded conductivity value.
Such as the determination of the electrical conductivity of no greater than 2.
1 mu S/cm sentence to conform to the rules;
Such as the determination of the electrical conductivity of greater than 2.
1 mu S/cm, continue to press (
To determine the next step.
Shall be carried out within five minutes after determination of the previous step, adjust the temperature to 25 ℃, adding chloride saturated solution (in the same water sample
Adding 0 per 100 ml water sample.
, the determination of PH, precisely to 0.
1 ph unit, find corresponding conductivity limits in table 3, and (
The measured conductivity value comparison.
In measured conductivity value is beyond the limit values or PH is not 5.
0 ~ 7.
Within the range of 0, the sentence to do not conform to the rules.
Through the above detailed steps and methods for conductivity, can timely know the conductivity and the water quality of pure water equipment, ensure the supply of production water.
If you have other questions can inquire cory environmental protection pure water equipment and technical personnel.
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