09136

Tryptophan Broth

NutriSelect^® Plus, suitable for microbiology

• Sinônimo(s): Tryptone/Tryptophan Medium
• Código UNSPSC: 41171607
• NACRES: NA.85

Propriedades

• Agency: according to ISO 10273:2017; according to ISO 16654:2001; according to ISO 6579-1:2017
• Nível de qualidade: 200
• esterilidade: non-sterile
• Formulário: powder
• prazo de validade: limited shelf life, expiry date on the label
• composição: casein enzymic hydrolysate, 10.0 g/L ; sodium chloride, 5.0 g/L ; DL-tryptophan, 1.0 g/L
• fabricante/nome comercial: NutriSelect^® Plus
• pH final: 7.5±0.2 (25 °C)
• aplicação(ões): environmental; food and beverages; water monitoring; microbiology
• adequação: Escherichia coli; coliforms

Descrição

Aplicação

Medium to perform the indole test to confirm E. coli in water acc. EN IS0 9308-1:2000.

Nota de preparo

Dissolve 16g Tryptophan Broth in one liter water by heating. Dispense 3 ml per test tube. Close the tubes with cotton plugs, plastic or metal caps. Autoclave for 15 min at 121 ± 3°C.

Nota de rodapé

We offer two media types: the superior granulated GranuCult^® and the cost-efficient powdered NutriSelect^® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Informações legais

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Informações de segurança

• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): WGK 1