After mixing the solutions in a separatory funnel, the stopper should be and the liquid should be and the layers allowed to separate. When you get close to the interface between the layers, the funnel anduntil the first layer is collected. _to collect the second layer.

When separating, the stopper has to be removed when draining the lower layer so as to prevent a vacuum. If vacuum is allowed, the draining rate will reduce and stop.

The liquid should be mixed by shaking the funnel and then opening the stopcock so as the vent out gases.

When near interface between the layers, you should set your eye level so that you do not drain up to the second layer.

After completely draining the first layer, the second layer should be collected in a new flask.

After mixing the solutions in a separatory funnel, the stopper should be removed and the liquid should be mixed thoroughly and the layers allowed to separate. When you get close to the interface between the layers, get eye level with the funnel and slow the draining until the first layer is collected. Switch to a new flask to collect the second layer.

throwdolbeau throwdolbeau · Answer 2 · 2022-01-28T11:05:12+01:00

After mixing the solutions in a separatory funnel, the stopper should be removed and the liquid should be mixed thoroughly and the layers allowed to separate. When you get close to the interface between the layers, get eye level with the funnel and slow the draining until the first layer is collected. Switch to a new flask to collect the second layer.

Separatory funnel:

It is used in liquid-liquid extractions to separate (partition) the components of a mixture into two immiscible solvent phases of different densities.
The lab apparatus majorly used for the separation of the two immiscible solutes in the given mixture.
For example, oil and alcohol. It is applicable to separate the solvent which are immiscible and which cannot be separated by steam distillation. This method is useful for liquids only.

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