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R-3A AGAR

Product Code TM 838

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  • Description

    R-3A Agar is slightly more nutritious than R-2A Agar and is used for subculturing the isolates obtained on the less nutritive R-2A Agar.
    R-2A Agar is recommended by APHA for estimating the heterotrophic plate count by the pour plate, spread plate or membrane filter procedure. R-2A Agar is formulated as per Reasoner and Geldreich. Stressed or injured organisms during water treatment are unable to grow on high nutrient media, since the faster growing organisms outgrow the former. Therefore, the use of a low nutrient medium like R-2A Agar incubated for longer incubation periods allows these stressed organisms to grow well.

  • Principle

    for subculturing of microorganisms recovered on less nutritive R-2A Agar from potable water

  • Microorganism

    • Candida albicans
    • Enterococcus faecalis
    • Escherichia coli
    • Salmonella Enteritidis
    • Salmonella typhi

  • Industry

    • Water

  • Pack Size

    • 500 gm

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