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Merck
CN

1.00416

R2A Agar

suitable for microbiology, GranuCult®

Synonym(s):

Reasoner´s 2A agar

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About This Item

NACRES:
NA.74
UNSPSC Code:
41106213

Key Documents

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Product Name

R2A Agar, suitable for microbiology, GranuCult®

agency

(US-EPA)
EP

sterility

non-sterile

form

granular

packaging

pkg of 5 kg
pkg of 500 g

manufacturer/tradename

GranuCult®

storage condition

(Tightly closed. Dry.)

technique(s)

microbiological culture: suitable

solubility

18.2 g/L

application(s)

microbiology
pharmaceutical

storage temp.

15-25°C

suitability

heterotrophic bacteria

Quality Level

200

Related Categories

Application

R2A Agar is a nutrient medium for the determination of the heterotrophic total bacterial count in drinking water.

Disclaimer

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.

Features and Benefits

Prolonged shelf life of up to five years

General description

R2A Agar is a culture medium with a low nutrient content, which, in combination with a low incubation temperature and an extended incubation time, is suitable for the recovery of stressed and chlorine-tolerant bacteria from drinking water. In the European Pharmacopeia (EP) 10.0, R2A agar is described for microbiological monitoring of the total microbial count in water for purified water in bulk and for water injections in bulk

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H317

Hazard Classifications

Skin Sens. 1

Storage Class

13 - Non Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Articles

Assessing Level of Bacteria Purified Water

Critical points for laboratories to consider when assessing bacteria levels in purified water and attempting to optimize the microbiology process.

Types of Media in Microbiology

The different types of culture media, that are used to grow microorganisms in the laboratory for quality control, are classified by several criteria, such as consistency, composition, or selectivity.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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