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 ...

In other experiments, we have found that plasmid DNA can be precipitated in the presence of up to 200 mM NaCl using 10 mM of the (more potent) tetravalent spermine. Figure 2: Precipitation by ...