Peptone Water, buffered, for microbiology, 500 g, plastic

Peptone Water, buffered is a dehydrated nutrient medium for microbiology, widely used as a diluent and pre-enrichment base in food and pharmaceutical testing schemes. The buffered peptone formulation supports recovery and resuscitation of sub-lethally stressed microorganisms prior to selective enrichment or plating. It is listed among media associated with Ph. Eur. approaches Manufacturer data indicate a density of 1,8 g/cm³ for the material as supplied. The unit net weight is 0,572 kg, which aids inventory planning in media preparation rooms. After accurate weighing and dissolution, the medium is sterilised and used according to validated methods for sample dilution or non-selective enrichment. This buffered Peptone Water from manufacturer Carl ROTH fits dehydrated-media portfolios serving life-science and quality-control laboratories. Stable plastic packaging helps protect the powder between openings, while clear product identity supports documentation under GMP-oriented or accredited testing systems. The preparation is intended for microbiology only and should be reconstituted, sterilised and incubated under conditions defined by the applicable method. Consistent batch-to-batch handling of the dehydrated base contributes to reproducible dilution series and enrichment steps across food, water and related sample types.

This article is part of Dehydrated culture media (agar & broth bases), in Culture media & microbiology. See also Petri dishes.

Key features

• Potassium dihydrogen phosphate: 3,6 g/l
• di-Sodium hydrogenphosphate dihydrate: 7,2 g/l
• Sodium chloride (NaCl): 4,3 g/l
• Casein peptone (Pancreas hydrolysate): 1,0 g/l
• pH value: 7,0 ±0,2
• Pack sizes: 500 g, 1 kg
• Density: 1,8 g/cm³
• Storage temperature: +15 to +25 °C
• Product type: Dehydrated nutrient medium
• Technical Information Sheet:
• Safety Data Sheet: