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[Chemical Knowledge]：How to use the salinity meter

Read： 662 Time：18months ago Source：Transform the World with Simplicity

Salinometer is an instrument used to detect the concentration of water, can be used to test seawater, fresh water, sewage, drinking water and other types of water. In daily life, the use of salinometers is very extensive, such as detecting the salinity of water in aquariums, testing the salinity of seawater in bathing beaches, and so on. So, how to use salinity meter? Here to introduce. The tools that

need to prepare are salinometers, test tubes, fresh water, salt water, etc. Brine can be prepared by adding salt, and different concentrations of brine can be prepared in the following proportions: 1 pound of salt per 5 gallons of water produces 0.007 and salinity; 1 pound of salt per 2 gallons of water produces 0.03 percent salinity; 1 pound of salt per 1 gallon of water produces 0.06 percent salinity; and 1 pound of salt per 0.5 gallons of water produces 0.12 percent salinity.

Next, fill the tube with fresh water and gently place the salinity meter in the tube and wait a few minutes until the reading stabilizes. During this process, the test tube needs to be rotated to allow the water to contact the surface of the salinity meter to obtain a more accurate reading.

Next, add an appropriate amount of saline to another test tube, then gently place the salinity meter into the test tube, and also wait a few minutes until the reading stabilizes. It should be noted that the use of salinity meter measurement should try to avoid contamination of the sample, so as not to affect the test results.

If you need to test the average salinity value of the water body, you can mix the water samples from different parts evenly and test them. Similarly, if you need to test the salinity of water samples at different time points, you can also put these samples into test tubes for testing, and then compare the reading changes at different time points.

Finally, after the test is completed, the salinity meter needs to be removed from the test tube and gently cleaned to avoid affecting the next use. In the process of use, attention should also be paid to avoid the damage or error of the salinity meter.

summary, the use of the salinity meter is very simple, just prepare the necessary tools, gently put the salinity meter into the test tube, and wait for the reading to be stable. Although the salinity meter may not be used frequently in daily use, mastering the use method can help us better understand the water quality of the water body and protect our life and health.

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