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You are here:Home » Culture Media » Media-Microbiological » Todd Hewitt Broth (Powder)

Todd Hewitt Broth (Powder)

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Specifications

Broth medium intended for the cultivation and serological typing of group A hemolytic streptococci.
Catalog #T8030
Directions per LiterDissolve 30g in 800-900ml of dH2O stirring gently with heating until completely solubilized. Add additional water to bring the solution to1L. Dispense into appropriate containers, loosen caps and autoclave for 15 minutes at 121ºC (15psi).
Storage and StabilityStore powdered media at RT. Opened bottles should be capped tightly and kept in a dark, low humidity environment. Prepared media should be kept refrigerated and used within a short period of time.
Appearance
Light beige to beige, homogeneous, free flowing powder.
Solubility
Gold to amber, clear, light to no precipitate
pH7.8±0.2
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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