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    Home > Popular Keywords > Keyword List M > mpn coliform

    mpn coliform

    Free access to latest mpn coliform news. Echemi provides a lot of different insights into mpn coliform.

    • Rapid detection of coliform bacteria (MPN method and plate method) (1)
      Time of Update: 2022-03-19
      Plate method-coliforms can produce β-galactosidase, which decomposes the enzyme substrate in the medium-Alizarin β-D-galactosidase (hereinafter referred to as Aliz-gal), frees Alizarin and solids The aluminum, potassium, iron, and ammonium ions in the medium combine to form a purple (or red) chelate, which makes the colony appear the corresponding color .

    • Rapid detection of coliform bacteria (MPN method and plate method) (2)
      Time of Update: 2022-03-18
      [Sample Preparation]Take 25mL (or 25g) sample with aseptic procedure and add it to a wide-mouth bottle (or Erlenmeyer flask) containing 225ml, sterile phosphate buffer (or saline) (preset appropriate number of glass beads in the bottle), Shake well or use a homogenizer to homogenize 1 min to 1:10 dilution at 8000) ~10000r/min .
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