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.
Relevance. Rating Newest Oldest. Best Answer: you can get a mastic solvent, screwfix web site, sealants and adhesives, sealants, three products at bottom of page. good chance you can get it in B&Q also If your enclosure is glass and tiles not plastic try green scotch brite and soap to remove the last of the old mastic.lso, is it possible to mastic over old mastic, or will it not adhere properly. Both questions apply to my shower enclosure, which I am re-tiling. The join is that which connects the shower tray to the tiles on the wall.