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Merck
CN

17209

R-2A Agar

NutriSelect® Plus, powder, for heterotrophic bacteria, pack of 500 g, suitable for microbiology

Synonym(s):

Ph. Eur. Medium S

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About This Item

NACRES:
NA.74
UNSPSC Code:
41171607
Manufacturer/tradename:
NutriSelect® Plus
Form:
powder
Suitability:
heterotrophic bacteria, 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 coliforms
Application(s):
bioburden testing
environmental
food and beverages
water monitoring, microbiology
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sterility

non-sterile

Quality Segment

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

packaging

pack of 500 g

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

heterotrophic bacteria, 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 coliforms

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.

Other Notes

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


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Hazard Classifications

Skin Sens. 1

Storage Class

11 - Combustible Solids

ppe

Eyeshields, Gloves, type N95 (US)



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