76721

XLT4 Agar (Base)

NutriSelect^® Plus, suitable for microbiology

• Synonym(s): Xylose Lysine Tergitol-4 Agar (Base)
• UNSPSC Code: 41171606
• NACRES: NA.85

Properties

• sterility: non-sterile
• Quality Level: 200
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: agar, 18 g/L ; ammonium-iron(III) citrate, 0.8 g/L ; lactose, 7.5 g/L ; L-lysine, 5 g/L ; phenol-red, 0.08 g/L ; proteose peptone No. 3, 1.6 g/L ; sodium chloride, 5 g/L ; sodium thiosulfate, 6.8 g/L ; sucrose, 7.5 g/L ; xylose, 3.75 g/L ; yeast extract, 3 g/L
• manufacturer/tradename: NutriSelect^® Plus
• technique(s): microbiological culture: suitable
• final pH: 7.4±0.2 (25 °C)
• application(s): clinical testing; environmental; food and beverages; microbiology
• suitability: selective and differential for Citrobacter spp.; selective and differential for Escherichia coli; selective and differential for Salmonella spp.; selective and differential for Shigella spp.; selective and differential for coliforms; selective and differential for enterobacteriaceae

Description

Application

for the isolation and identification of pathogenic Enterobacteriaceae, especially Salmonella species

Preparation Note

Suspend 59 g in 1 litre distilled water, add 4.6 ml XLT4 Agar Supplement solution (Cat. No. 83714) and heat the medium in a boiling water-batch (not on a heating-plate!). Cool to approx. 50°C and pour plates.

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 Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves