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Difco™ B12 Assay Medium, BD Life Sciences
Catalog # 90003-384
CAS Number:  
Difco™ B12 Assay Medium, BD Life Sciences
Catalog # 90003-384
Supplier Number:  245710
CAS Number:  
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Specifications

  • Description:
    Difco™ B12 Assay Medium
  • Size:
    100 g
  • Environmentally Preferable:
  • Cat. no.:
    90003-384
  • Supplier No.:
    245710

Specifications

About this item

B12 Assay Medium is used for determining vitamin B12 concentration by the microbiological assay technique.

  • Dehydrated appearance: Very light to light beige, homogeneous
  • 4.25% single strength solution
  • Solution is light amber, clear, may have a slight precipitate

B12 Assay Medium is used in the microbiological assay of vitamin B12 according to the procedures of the Vitamin B12 Activity Assay in the USP1 and the Cobalamin (Vitamin B12 Activity) Assay in the Official Methods of Analysis of AOAC International (AOAC).