Water Activity

Figure 1

A comparison of water activity, 𝑎_𝑤 (dotted lines) from [14], and translationally “free” water, 𝑏 (full lines) from [15, 16] in aqueous solutions of sodium—and ammonium chloride and sodium—and ammonium sulphate. All values refer to room temperature.

(a)

(b)

(c)

(d)