English literature mentions that after washing solid samples with a solution, they need to be rinsed with deionized water. What does this mean?
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As the title suggests, the original text states \"Finally, the samples were rinsed with de-ionized water.\" Does this mean that they were rinsed using deionized water? For general samples that are to be cleaned with deionized water, is it sufficient to simply place the sample in a beaker and soak it there? There are still other operations.
Washing measures should be taken based on the context or experimental requirements; typically, the sample can be placed in a Büchner funnel, washed with deionized water, and then subjected to vacuum suction； The simpler option is to place it in a beaker and wash it multiple times with deionized water, removing the supernatant; this method increases the risk of sample loss.
A sand-core funnel for leaching would work too. The specific leaching time and amount of water used are not mentioned in the text either; one should determine these based on experience or through experiments
Yes, a Büchner funnel with filter paper, or a sand-core funnel for direct filtration, are both commonly used. The choice depends mainly on whether the particle size of the sample can be retained, as well as on the amount of loss that occurs during the sample transfer process.
It is said that filter paper can be used; if the solid particles are too fine, it is difficult to separate them. There are similar problems with filter membranes as well, right?
Filter paper comes in different filtration speeds, and filter membranes have various pore sizes; the appropriate filter paper or filter membrane should be chosen based on the size of the particles. A suction filtration device can be used to accelerate the washing process. Sample loss is inevitable in the separation process.