Sodium Chloride is an alkali halide with an fcc crystal structure. The basis is two ions, a sodium cation and a chlorine anion. The crystal lattice parameter is 0.563 nm. The diagram shows both a unit ...

Laboratory weathering tests are important in the field of restoration as they provide a means of estimating, in a relatively short time, the longer-term performance of conservation materials when ...

Too much salt in the diet -- and specifically sodium -- is widely acknowledged as a major risk factor for high blood pressure however, scientists have found that salt's other oft-overlooked ...