W2261

WL nutrient broth

suitable for microbiology, NutriSelect^® Plus

• Synonyma: Wallerstein Laboratory Nutrient Broth
• NACRES: NA.85
• UNSPSC Code: 41171607
• eCl@ss: 32160607

Vlastnosti

• sterility: non-sterile
• Quality Segment: 200
• product line: NutriSelect^® Plus
• 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

Popis

Application

Recommended for the cultivation of bacteria encountered in breweries and industrial fermentations.

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

Ingredients (g/L)
Casein enzymatic hydrolysate, 5.00
Yeast extract, 4.00
Dextrose, 50.00
Monopotassium phosphate, 0.55
Potassium chloride, 0.425
Calcium chloride, 0.125
Manganese sulfate, 0.125
Ferric chloride, 0.0025
Manganese sulfate, 0.0025
Bromocresol green, 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

Bezpečnostní informace

• Skladovací třída: 11 - Combustible Solids
• Bod vzplanutí (°F): Not applicable
• Bod vzplanutí (°C): Not applicable
• PPE (osobní ochranné prostředky): Eyeshields, Gloves, type N95 (US)