How to wash glass burette
[Price Burette,Burette And Stand,Micro Burette,Burettes Blue,Automatic Glass Burette]
The burette must be washed clean before use. When the burette is required to be washed until it is filled with water and then discharged, the inner wall of the tube is all wet with a thin water film without water droplets. The burette without obvious greasy dirt can be flushed directly with tap water. If there is greasy dirt, use a burette brush dipped in soap to scrub. If not, use chromic acid lotion to wash. The piston should be closed before washing, and 10-15 ml of lotion should be poured into the burette with both hands flat-end burette, and continue Turn until the lotion covers the whole tube. Then open the piston and put the lotion back into the original bottle. If the oil is serious, you can pour the warm lotion and soak it for a period of time. The burette washed with lotion should be rinsed with white water first, and then rinsed several times with a small amount of distilled water. The washing method of basic burette is the same as above, constant temperature water bath, shaking incubator, Jintan electric centrifuge, electric magnetic stirrer, glass rotameter, indexing plate, but please note that the chromic acid lotion cannot directly touch the rubber tube. For this purpose, the basic burette can be soaked in a glass tank containing chromic acid lotion, or connected to a water pump with a rubber tube. Gently pinch the glass beads, slowly pump the lotion to the place near the rubber tube, and let the lotion soak for a while After time, put the lotion back into the original bottle, then rinse with tap water and rinse with distilled water several times.
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Post time: Oct-18-2021
