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CHEIRS Borosilicate Glass Glass Funnel Set, Heavy Wall Conical Separatory Funnel with 24/29 Joints, Separating Funnel and Glass Key Stopcock Glass Stopcock Separatory Funnel,500ML
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About CHEIRS Borosilicate Glass Glass Funnel Set, Heavy
Material: Silicon glass Specification: 250ml-1000ml. Piston: glass piston How to use: Before using the separatory funnel, remove the cock core on the funnel neck and apply petroleum jelly, but not too much, so as not to block the flow hole. Insert the separatory funnel into the plug groove and rotate to make the oil film even and transparent, and rotate freely. Then close the cock, inject water into the funnel, check the cock for water leaks, and use a non-leaking separatory funnel before use. When the liquid in the separatory funnel flows downward, the piston can control the flow of the liquid. To stop the reaction, the piston must be closed tightly. Therefore, the dripping can be stopped immediately. When the liquid is discharged, the groove on the piston plug and the The small holes on the neck of the funnel should be aligned. At this time, the air inside and outside the funnel communicates with the same pressure, and the liquid in the funnel can flow out smoothly. Note: The amount of liquid added in the funnel cannot exceed 3/4 of the volume. And it is not suitable to install alkaline liquid.
