17209

R-2A Agar

suitable for microbiology, NutriSelect^® Plus

• Synonym(s): Ph. Eur. Medium S
• NACRES: NA.74

Properties

• Quality Level: 200
• sterility: non-sterile
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: agar, 15 g/L ; casein acid hydrolysate, 0.5 g/L ; dextrose, 0.5 g/L ; dipotassium phosphate, 0.3 g/L ; magnesium sulfate, 0.024 g/L ; proteose peptone, 0.5 g/L ; sodium pyruvate, 0.3 g/L ; starch, soluble, 0.5 g/L ; yeast extract, 0.5 g/L
• manufacturer/tradename: NutriSelect^® Plus
• technique(s): microbiological culture: suitable
• final pH: 7.2±0.2 (25 °C)
• application(s): bioburden testing; environmental; food and beverages; water monitoring; microbiology
• suitability: nonselective for Bacillus spp.; nonselective for Candida spp.; nonselective for Enterococcus spp.; nonselective for Escherichia coli; nonselective for Pseudomonas spp.; nonselective for Salmonella spp.; nonselective for Staphylococcus spp.; nonselective for bacteria (General Media); nonselective for coliforms

Description

Application

For heterotrophic plate count of water samples using longer incubation periods.

Preparation Note

Suspend 18.12 g in 1 litre distilled water. Boil to dissolve the medium completely. Sterilize by autoclaving at 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

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H317
• Precautionary Statements: P261 - P272 - P280 - P302 + P352 - P333 + P313 - P362 + P364
• Hazard Classifications: Skin Sens. 1
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves