Filter the solution using a Buchner funnel; the filtrate needs to be retained for analysis. The solution is very viscous – should the filter paper be wetted with water?
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Filter the solution using a Büchner funnel; it is necessary to retain the filtrate. The solution is very viscous – should the filter paper be wetted with water?
It’s fine as long as you’re not concerned about the impact on the solution, since after all, trace amounts of water will enter the filtrate. Secondly, those with sand cores like on the second floor work fine as well
It should be fine if it doesn’t wet; there won’t be any leakage, as long as you pour the solution in the center of the funnel, leakage will basically not occur
It can be done using double-layer filter paper; a sand-core funnel works as well~~~
The solution is very viscous; it is recommended to use the method from the second floor, along with filtration using a water pump.