Promote Particle Growth: Add Precipitant Slowly

[higherme]

I found this in a textbook about how to promote particle growth. I'm not really sure what it is talking about:

To promote particle growth:

" add precipitant slowly with vigorous mixing to prevent local, highly supersaturated condition where the stream of precipitant first enter the analyte."


what does that mean?

 

[lkh1986]

Maybe the von Wiemarn ratio? (S-Q)/Q.

 

[Blueshift5]

I can explain that the process of promoting particle growth involves adding a substance called a precipitant to a solution in order to facilitate the formation of larger particles. However, it is important to add the precipitant slowly and with vigorous mixing to prevent localized areas of high supersaturation. This means that adding the precipitant too quickly can create areas of the solution where there is an excess of the precipitant, leading to uneven particle growth and potentially interfering with the accuracy of the results. By adding the precipitant slowly and mixing it vigorously, we can ensure a more uniform distribution of the precipitant throughout the solution and promote more consistent particle growth. This is an important step in the process of particle growth and should be carefully followed to obtain reliable results.