Determining the contaminant.

[anachronism]

A number 1 to filter solutions with silver chloride in is fine if used correctly. It certainly won't block the filters, in fact I use these filters for volumes of silver chloride precipitated from silver nitrate using HCl. The only think I have found that blocks a number 1 filter is fines from ashed carbon.

I agree that sometimes I have had to filter twice though, often using the same original filter.

 

[autumnwillow]

Is there a way to keep the agcl precipitate above 25 micron size? Perhaps using a different precipitant? Temperature control? Diluting the solution further or vice versa?

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