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.
Removing carpet glue from concrete can be done several ways. The best and safest way to remove glue from concrete is with a soy based, biodegradable, adhesive or mastic remover. RadonSeal makes a powerful, biodegradable, mastic remover for concrete called NOVION UNIVERSAL CONCRETE CLEANER.his product cleans up with soap and water which means you can take the waste to the local landfill. After pulling up the carpet, the first step is to remove as much glue from the concrete as you can with a floor scraper. Scrape the entire floor, then sweep or vacuum up the loose glue.