Differences between dry and wet methods of laser particle size analyzer
Laser particle size analyzer can be widely used in chemical, magnetic materials, medicine, cement, paint, food, pesticide, nuclear industry, electronics, battery materials, paper, metallurgy, ceramics, building materials, cosmetics, abrasives, metal and non-metal powder, calcium carbonate. , talc powder, kaolin, alumina, rare earth, cemented carbide, catalyst, foaming agent, refractory, filler, graphite, pigment and other industry powder particle size test.
Chengdu Jingxin Powder Testing Equipment Co., Ltd. has launched a dry and wet laser particle size analyzer for the market. The test range is 0.02-2000 microns, which can meet the needs of users for powder testing.
The user can determine whether to purchase the dry method or the wet particle size meter according to the nature of the sample to be tested. The following describes how to choose the dry method or the wet method.
The dry laser particle size analyzer uses air as the dispersion medium, utilizes the turbulent flow dispersion principle, cooperates with the high-precision feeding device and the patented powder jet pump, and has no oil and quiet air source to ensure the sample is fully dispersed. It is suitable for testing dry powder materials, especially those that are susceptible to chemical reactions with water and that are prone to shape changes in liquids.
The wet laser particle size analyzer uses water or other liquid as a dispersion medium, and puts the sample powder into the sample cell for ultrasonic cycle test. Suitable for powders that do not react with dispersion media (water or other liquids), and can also be used for liquid analysis and testing, such as emulsions, drilling mud, lubricants, inks, sediment, coal water slurry, liquid pesticides, etc. Stable and cheap.
Brief description of the operation method of dry and wet test of Chengdu Jingxin laser particle size analyzer
1. Brief description of the operation method of dry laser particle size analyzer
1. Dry the sample to avoid agglomeration of the sample and result in incorrect detection results;
2. Switch the software test mode to dry method;
3. Open the vacuum cleaner and connect the suction nozzle to the dry powder test bench;
4. Use a special brush to clean the stage and the loading cylinder, and use the spoon to evenly place the sample in the measuring cylinder;
5. Select the test content and related parameters in the software option bar;
6. Click the test button to start the sample test. A measuring cylinder can be tested continuously for 3 times.
7. Save the test file, enter the sample name, and view the test results.
8. Turn off the vacuum cleaner, remove the cartridge and clean it.
Second, briefly describe the operation method of the wet laser particle size analyzer
1. Open the software and select automatic cleaning (you can also choose semi-automatic cleaning);
2. Check whether the ultrasonic, circulating pump and agitator are working normally; the instrument is zeroed.
3, powder preparation, easily dispersed powder can be directly added to the sample cell, if it is difficult to disperse the powder, it must be stirred or dispersed in the beaker.
5. Click the test button to start the sample test.
6. Save the test file, enter the sample name, and view the test results.
7. After each test, select a fully automatic or semi-automatic cleaning circulation pipe to keep the test pipe clean.
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