Tryptone Soya Agar (TSA) Surfacecheck® N also known as casein soya bean digest agar is a medium primarily designed to recover a wide range of micro-organisms. The base medium is described in the European Pharmacopoeia (EP) 2.6.12 and United States Pharmacopeia (USP) 61>. The medium contains a variety of neutralising agents to reduce the growth inhibiting effects of a range of potentially interfering or antimicrobial substances. The contact plates are triple wrapped and irradiated to ensure sterility and intended for use in cleanroom environments predominantly for monitoring the bioburden of flat surfaces where disinfectant residues may be present.
- Irradiated VHP triple-wrapped TSA plates
- Plate size: 55mm
- Storage temperature: 2 to 25°C
- Appearance: clear, pale straw coloured gel
- Recommended incubation: 25 to 37°C
- pH: 7.3 ±0.2
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