09136

Tryptophan Broth

suitable for microbiology, NutriSelect^® Plus

• Sinónimos: Tryptone/Tryptophan Medium
• Código UNSPSC: 41171607
• NACRES: NA.85

Propiedades

• Agency: according to ISO 10273:2017; according to ISO 16654:2001; according to ISO 6579-1:2017
• Nivel de calidad: 200
• esterilidad: non-sterile
• formulario: powder
• caducidad: limited shelf life, expiry date on the label
• composición: casein enzymic hydrolysate, 10.0 g/L ; sodium chloride, 5.0 g/L ; DL-tryptophan, 1.0 g/L
• fabricante / nombre comercial: NutriSelect^® Plus
• pH final: 7.5±0.2 (25 °C)
• aplicaciones: environmental; food and beverages; water monitoring; microbiology
• idoneidad: Escherichia coli; coliforms

Descripción

Aplicación

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

Nota de preparación

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 al pie de página

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.

Información legal

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

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

Información de seguridad

• Código de clase de almacenamiento: 11 - Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 1