W2261

WL-Nährbouillon

suitable for microbiology, NutriSelect^® Plus

• Synonym(e): Wallerstein Laboratory Nähr-Bouillon
• NACRES: NA.85
• UNSPSC Code: 41171607

Eigenschaften

• sterility: non-sterile
• Quality Segment: 200
• form: powder
• shelf life: limited shelf life, expiry date on the label
• manufacturer/tradename: NutriSelect^® Plus
• technique(s): microbiological culture: suitable
• final pH: 5.5±0.2 (25 °C)
• application(s): bioburden testing; food and beverages, microbiology
• suitability: selective for Candida spp., selective for Escherichia coli, selective for Lactobacillus spp., selective for Pichia spp., selective for Proteus spp., selective for Saccharomyces spp., selective for Zygosaccharomyces spp., selective for coliforms

Beschreibung

Application

Empfohlen für die Kultivierung von Bakterien, die in den Brauereien und der Fermentationsindustrie anzutreffen sind.

Preparation Note

Suspend 60.25 g of WL Nutrient Broth in 1000 ml of distilled water. Boil to dissolve the medium completely. Sterilize by autoclaving at 15 lbs. pressure (121°C) for 15 minutes. If desired to obtain a pH of 6.5 add a 1% solution of sodium bicarbonate (Cat. No. 71627).

Other Notes

Zusammensetzung (g/L)
Casein-Hydrolysat, enzymatisch , 5.00
Hefeextrakt, 4.00
Dextrose, 50.00
Kaliumphosphat monobasisch, 0.55
Kaliumchlorid, 0.425
Calciumchlorid, 0.125
Mangan(II)-sulfat, 0.125
Eisen(III)-chlorid, 0.0025
Mangan(II)-sulfat, 0.0025
Bromkresolgrün, 0.022

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.

Legal Information

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

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

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)