49522

m-Lauryl Sulfate Broth, Vegitone

suitable for microbiology, NutriSelect^® Plus

• Synonym(s): Vegitone m-Lauryl Sulfate Broth
• UNSPSC Code: 41171607
• NACRES: NA.85

Properties

• form: powder
• Quality Level: 200
• shelf life: limited shelf life, expiry date on the label
• composition: lactose, 30.0 g/L ; peptone (vegetable), 39.0 g/L ; phenol red, 0.2 g/L ; sodium lauryl sulfate, 1.0 g/L ; yeast extract, 6.0 g/L
• manufacturer/tradename: NutriSelect^® Plus
• technique(s): microbiological culture: suitable
• final pH: 7.4±0.2 (25 °C)
• application(s): agriculture; bioburden testing; environmental; food and beverages; water monitoring; microbiology
• suitability: selective for Enterobacter spp.; selective for Escherichia coli; selective for Salmonella spp.; selective for coliforms

Description

Application

A medium where the animal derived peptone was replaced by a plant peptone. It is used for enumeration of Escherichia coli and coliforms in water, using membrane filter technique. It is recommended by ISO Committee under the specification ISO 9308-1:1990.

Preparation Note

Suspend 76.2 g in 1000 ml distilled water. Heat to boiling to dissolve the medium completely. Dispense as desired and sterilize by steaming for 30 minutes on three consecutive days or by autoclaving at 15 lbs pressure (121°C) for 15 minutes.

Footnote

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

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type N95 (US)