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Buffered Peptone water pH7 liofilchem

Buffered NaCl Peptone Solution pH 7.0 is used for dissolving, suspending and diluting test samples.
Its composition conforms to recommendations in the Harmonized Pharmacopoeias for the microbiological
examination of non-sterile products.
This solution also conforms to ISO 21149 for the detection of viable microorganisms in cosmetics.
TYPICAL FORMULA* (g/l)
*Formula may be adjusted and/or supplemented as required to meet performance specifications;
Grams per litre of purified water.
METHOD PRINCIPLE
Sodium phosphate and potassium phosphate are the buffering agents. Sodium chloride maintains the osmotic
balance. A low peptone content provides nitrogen, vitamins, minerals and amino acids to ensure the viability of
the organisms.
Buffered NaCl Peptone Solution pH 7.0 can be supplemented with tensioactive agents or inactivators of
antimicrobial agents, such as polysorbate 80 (ref. 80031).
View also already supplemented items.

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