FDA/CFSAN BAM * Phosphate-Buffered Saline (PBS), pH 7.4

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

Bacteriological Analytical Manual Online
January 2001

R59
Phosphate-Buffered Saline (PBS), pH 7.4

NaCl	7.650 g
Na₂HPO₄, anhydrous	0.724 g
KH₂PO₄	0.210 g
Distilled water	1 liter

Dissolve ingredients in distilled water. Adjust pH to 7.4 (with 1 N NaOH). Autoclave 15 min at 121°C. This buffer may be used for any step in the Vibrio spp. methods when PBS is needed.

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

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