Sodium becomes a positive ion and chlorine becomes a negative ion. The positive and negative ions attract each other and form the ionic compound sodium chloride. A sodium and chlorine atom are near ...

Carbonate ions also produce a white precipitate with barium chloride solution. The acid reacts with any carbonate ions present. This removes them, so stopping them giving a false positive result.

Water-soluble chloride ion (Cl-) content in concrete is expressed as a percent by weight of cement and is limited to a maximum amount by ACI 318. The water-soluble chloride ion content contributed ...

Seawater electrolysis has long been seen as a promising pathway for sustainable hydrogen production but has faced significant ...