Examples of salts include those with a chloride or nitrate anion and an alkali metal cation or ammonium cation In addition, U.S. Pat. No. 4,142,905 (Cooke) discloses a waterless ink for non-impact jet printers which comprises an ethylene glycol vehicle, an inorganic salt such as sodium nitrite, sodium nitrate, or sodium chloride dissolved in the glycol to provide a required level of electrical con