U.S. Food & Drug Administration
Center for Food Safety & Applied Nutrition

Bacteriological Analytical Manual Online
January 2001

R13
0.05 M Citric Acid
(pH 4.0)

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Citric acid (monohydrate) 10.5 g
Double distilled water: add to final volume of 1 liter

Dissolve citric acid in 900 ml distilled water. Adjust pH to 4.0 with 6 M NaOH and dilute to 1 liter. Store in refrigerator.



Hypertext Source: Bacteriological Analytical Manual, 8th Edition, Revision A, 1998.

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