Testing is done in accordance with ASTM C1218 “Standard Test Method for Water-Soluble Chloride in Mortar and Concrete.” The maximum allowable water-soluble chloride ion (Cl-) content for ...

Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first. Carbonate ions also produce a white precipitate with barium chloride solution. The acid reacts with ...

The positive and negative ions attract each other and form the ionic compound sodium chloride. A sodium and chlorine atom are near each other. An electron from each atom feels the attraction from the ...