What minimum frequency of light is required to ionize potassium?The energy required to ionize potassium is 419kJ/mol? Chemistry The photoelectric work function of a metal is the minimum energy needed to eject an electron by irradiating the metal with light. For calcium, this work function equals 4.34 x 10-19 J.
This video shows how to remove black mastic or carpet glue of concrete floor using FranMar's Bean-e-doo mastic remover. This is an easy and safe way to remove black mastic without toxic fumes. for more information visit www.sealgreen.com.1  Howto & Style. 2  Standard YouTube License.his video shows how to remove black mastic or carpet glue of concrete floor using FranMar's Bean-e-doo mastic remover. This is an easy and safe way to remove black mastic without toxic fumes. for more information visit www.sealgreen.com. 1  Howto & Style. 2  Standard YouTube License.
As you can see, removing super glue stains from your granite tiles and counter tops can be a very simple process, providing that you know what you are doing and have the correct materials. As a little tip, if you cannot find straight acetone, a nail polish remover that contains acetone will do the trick as well.ry and remove as much of the stain as possible with the cotton swab. Step 3: Take a razor blade and use it to gently scrape away any of the remaining super glue. If you are a bit nervous about using a razor, a small putty knife will also work.