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.
we are removing Black mastic from a concrete floor that had vinyl tile on it. Can anyone recommend a solvent that we can use that is cheap since we have about 3000sq.ft.To strip thanks.Add your answer.Source. Submit Cancel. I think this question violates the Community Guidelines.e are removing Black mastic from a concrete floor that had vinyl tile on it. Can anyone recommend a solvent that we can use that is cheap since we have about 3000sq.ft. To strip thanks. Add your answer. Source. Submit Cancel. I think this question violates the Community Guidelines.