Chemistry, Environment, Materials, Uncategorized More Potash Posted by Puchina on July 3, 2018July 3, 2018 Here is a short polarized film of potash which contains a number of potassium compounds. You can see the birefringent potassium nitrate crystals. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related