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Phosphate Buffer, APHA, pH 7.2 (Butterfield's Buffered Phosphate Diluent) (Powder)

Cat no: P4071-50

Phosphate Buffer, APHA, pH 7.2 (Butterfield's Buffered Phosphate Diluent) (Powder)

Intended Use:\nPhosphate Buffer, pH 7.2 is used for the preparation of microbiological dilution blanks.\n\nProduct Summary: \nThe formula for phosphate buffer is specified by the American Public Health Association (APHA) for use in diluting test samples. Phosphate Buffer, pH 7.2 is specified for use in diluting water, dairy products and food for microbiological methods. In the examination of water and dairy products the addition of magnesium chloride is recommended.\n\nThis buffer is also referred to as Butterfield's Buffered Phosphate Diluent and recommended for examination of food (2). Phosphate Buffer, pH 7.2 stabilizes the pH of water used for dilutions. \n\nPrinciples of the Procedure:\nPhosphate Buffer, pH 7.2 is used in the preparation of dilution blanks for use in microbiological testing. Phosphate Buffer is used rather than unbuffered water in order to standardize this potential variable due to the wide variation in the pH of distilled water from multiple sources. \n\nAppearance:\nWhite to off-white, homogenous, free-flowing powder\n\nSolubility: Colorless, clear to slightly hazy, with or without trace precipitate\n\npH: 7.2

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SPECIFICATIONS

Catalog Number

P4071-50

Size

500g

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