the water temperature should not exceed 20 u00b0 c continuous process preparation of stock solution for a broad spectrum disinfectant below shows one embodiment of a continuous process for preparing chlorine dioxide surface disinfectant a turn on the water pump in the reactor unit and adjust the deionized water to the desired feed rate b turn on the chemical solutions feed pumps and set the feed rates to the desired percentage of hydrochloric acid sodium chlorite and stabilizers c assure proper mixing of the water and chemicals the solutions are diluted with deionized water in order to form the finished product solution the concentration of chlorine dioxide in the finished product solution may vary in one embodiment the desired concentration of chlorine dioxide in the finished product solution is 5000 parts per million when the stock solution has been prepared it should be considered perishable the stock solution should be stored in a closed container protected from light at a temperature between 6 10 u00b0 c a storage temperature of 8 u00b0 c is recommended the maximum shelf life of the stock solution when stored under the above conditions is estimated to be 5 days when stored in a glass container or 2 days when stored in a polyethylene container after filling of the solution into the consumer containers the filled consumer containers should be stored as described above for the stock solution in some embodiments the disinfectant solution is impregnated onto a cloth such as paper or a fabric to form disinfectant wipes in some embodiments the disinfectant solution is used to make disinfectant sprays it is intended that the specification and examples be considered as exemplary only.