产品名称 Endo Broth (Powder) from UNITED STATES BIOLOGICAL
产品货号 351745
产品价格 现货询价,电话:010-67529703
产品规格 500g
产品品牌 UNITED STATES BIOLOGICAL
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Product NameEndo Broth (Powder)
DescriptionEndo Broth is used in the standard total Coliform membrane filtration procedure for testing water and bottled water. It is also used in the delayed-incubation total coliform procedure by adding sodium benzoate to make m Endo preservative medium (ref. 2). The coliform bacteria are defined as bacteria that produce a red colony with a metallic sheen within 24 hours incubation at 35°C on an Endo-type medium. Appearance: Grayish purple to pinkish purple, homgenous, free flowing powder Solubility (4.8%): Grayish purple, opalescent, with precipitate pH (4.8%): 7.2±0.1 Principles of the Procedure: Endo Broth contains peptones as sources of carbon, nitrogen, vitamins and minerals. Yeast extract supplies B-complex vitamins, which stimulate bacterial growth. Lactose is the carbohydrate. Phosphates are buffering agents. Sodium chloride maintains the osmotic balance of the medium. Sodium desoxycholate and sodium lauryl sulfate are added as inhibitors of gram-positive bacteria. Basic fuchsin is a pH
Size500g
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Catalog #351745
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Order / More InfoEndo Broth (Powder) from UNITED STATES BIOLOGICAL
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