Emulsione di tellurite di tuorlo d'uovo, 250 ml
Codice articolo 0339.2
€ 91,91
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Emulsione di tellurite di tuorlo d'uovo, 250 ml
Dettagli del prodotto
Frasi P: P273 P280 P302+P352 P305+P351+P338 P312
Frasi H: H302-H315-H318-H412
Numero CAS: 151-21-3
Formula chimica: C12H25NaO4S
Codice SA: 38229000
Marca: Carl Roth
Egg Yolk Tellurite Emulsion (20 %), ISO 6888, sterile, stabilised, for microbiology, Density (D) ~1 g/cm³, Boiling point (bp) 100 °C, Storage temp. +4 °C
Steriel
Egg Yolk Tellurite Emulsion 20 %, ISO 6888, sterile, stabilised, for microbiology
Egg Yolk Tellurite Emulsion is used as supplement in nutrient agars for detection of lecithinase activity and concurrent tellurite reduction in microbial colonies. Hence, Staphylococcus aureus may be identified by the dark grey to black staining of the colonies due to tellurite reduction, accompanied by lecithinase-caused formation of light, sometimes whitish halos surrounding the colonies.
Technische informatie
| Gecertificeerd conform | ISO 6888 |
| Colour | yellow |
| Egg yolk | 20 % |
| Sterile saline solution | 80 % |
| Potassium tellurite | 0,21 % |
| Sterility | complies |
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