Bio-Cide Int'l ASC Chlorite FCN 739: "Mixing an aqueous solution of sodium chlorite with any GRAS acid to achieve a pH of 2.2 to 3.0 then further diluting this solution with a pH elevating agent (i.e., sodium bicarbonate, sodium carbonate, or an un-acidified sodium chlorite solution) to a final pH of 5.0 to 7.5. The final sodium chlorite concen- tration does not exceed 1200 mg/kg and the chlorine dioxide concentration does not exceed 30 mg/kg."

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