Notes on crude fiber measuring instrument: 1. Since the instrument is often in contact with reagents and water, and the instrument is powered by 220V AC, the laboratory socket must be well grounded. 2. If it is used once, If you are not familiar with the instrument, you should pay special attention to the installation of the crucible. You can add water after installing the crucible to see if there is any leakage and test with distilled water. After making sure there is no leakage, drain the water and then add reagents. 3. After each use and cleaning, the sealing rings in the filter seat and the lower sleeve of the digestion tube (there are two sealing rings in the lower sleeve of the digestion tube and the filter seat) should be removed and cleaned with water. 4. In order to allow better heat dissipation of the instrument, it is best to remove the back door when using it. After use, you should first check whether there is any leakage inside the instrument, and then close the back door. Directly supplied from the manufacturer by Shandong Shengtai Instrument Co., Ltd. 5. After each use of the instrument, use filter paper to absorb the water in the filter seat and pull out the 8 red balls under the instrument. 6. After obtaining the test results, in order to remove the sample residue in the crucible sand core, the crucible should be soaked in a calculation solution with a concentration of about 30-50 for a few hours, then taken out, washed with water, and dried. It is ready. times used. 7. If it is found that the suction filtration is relatively slow, it is recommended that the user use a vacuum pump for suction filtration. Contact us for specific pipeline connections.
1. First of all, be sure to be accurate during the weighing process (close the balance door), never hold the crucible with your hands, use a clip; 2. Secondly, during the second and subsequent times, When adding liquid to the inside of the instrument during the steps, you must first ensure that the liquid is hot to avoid the explosion of the off-duty pipe of the instrument due to temperature differences; 3. Then, do not use washing powder to clean the instrument, use solvents such as detergent, and use hot If it is indeed not clean, you can use a small amount of solvent for cleaning; 4. After the acid hydrolysis (or alkaline hydrolysis) is completed, the liquid should be drained slowly to prevent floating samples from adhering to the wall of the digestion tube. If the sample is firmly adhered and cannot be cleaned with water, you can use a soft-bristled brush to gently brush it off from the bottom; 5. Handle the quartz crucible with care to avoid being chipped, bumped, dropped, etc.; 6. If the crucible is used for a long time If there is obvious blockage, you can dry it and put it in the oven to burn at about 500 degrees for 1-2 hours, and then clean it after cooling;