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Alkali Scientific Phosphate Buffered Water (PBW) w/MgCl2 9mL Fliptop Conical Tube, 10/Pk
Supplier: Alkali Scientific PBWT00
Phosphate Buffered Water (PBW) with Magnesium Chloride is a sterile diluent widely used in food microbiology and water testing for the preparation of microbial samples. Often referred to as Butterfield’s Buffer, it is recommended by organizations such as the APHA and FDA for enumeration procedures. The phosphate buffer maintains a stable pH while preventing osmotic stress that can damage sensitive microorganisms. The addition of magnesium chloride helps stabilize bacterial cell membranes and improves recovery of thermally injured or environmentally stressed organisms during dilution steps. The 9 mL flip top conical tube format is designed for convenient handling in high throughput laboratories, allowing technicians to quickly perform standardized 1:10 serial dilutions while maintaining accurate microbial recovery.
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