1 Reply Latest reply on May 15, 2014 6:15 PM by David Scheuing

    Colloids in soil (can they "dry out")?

    Maxwell Taylor

      Hi all, this a question from the realm of soil biogeochemistry. I was wondering about the colloidal fraction of soil, a hotspot area of chemical activity within soils.

       

      I've often read about the colloidal fraction, basically it's the subset of the smallest mineral and organic soil particles (<0.001mm).

       

      Is this particle set always suspended in a liquid?

      If so what liquid?

      If it's mostly water, can that liquid "dry out" and if so are those very small particles now no longer in a liquid and hence no longer a colloid?