Stability of Citric Acid Solutions During a Five Month Period

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Abstract
The purpose of this study was to examine the effect of time, light and air exposure on the pH stability and demineralization ability of a standardized pH 1 citric acid solution. A 0.5 liter pH 1 citric acid solution was prepared and examined over a 5 month period. The results indicated that pH 1 citric acid solutions prepared under the described conditions remained stable during the examination period with regards to all tested variables.