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A5757

Sigma-Aldrich

Antifoam B Emulsion

aqueous-silicone emulsion

Synonim(y):

Antifoaming agent B

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250 ML
462,00 zł
500 ML
756,00 zł

462,00 zł

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250 ML
462,00 zł
500 ML
756,00 zł

About This Item

Kod UNSPSC:
12161900
NACRES:
NA.25

462,00 zł

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Poproś o zamówienie zbiorcze

Poziom jakości

200

Formularz

emulsion

zawiera

emulsifier (different from those present in Antifoam A emulsion)

metody

cell culture | hybridoma: suitable
microbiological culture: suitable

Opis ogólny

Antifoam eliminates excessive foaming formed during impingement, due to proteins and/or carbohydrates in the collection medium. Antifoam B emulsion is a silicone based antifoam.[1] Antifoam B emulsion does not affect the growth of bacteria.[2] Antifoam B emulsion functions as an antifoaming agent in shake flask culture of bacteria.[3]

Zastosowanie

Antifoam B emulsion has been used:
  • to enhance collection efficiency in collection media[1]
  • as a component in stress granule lysis buffer to reduce foaming[4], in host cell lysis buffer to reduce foaming caused by detergents[2]
  • to improve solubility of antibiotics[5]
  • as a foaming controls in bacterial growth media[3]

Inne uwagi

A 10% aqueous emulsion of polydimethylsiloxane
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Kod klasy składowania

10 - Combustible liquids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

>214.0 °F - closed cup

Temperatura zapłonu (°C)

> 101.1 °C - closed cup

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Certyfikaty analizy (CoA)

Lot/Batch Number
MKCV6047
MKCW7753
MKCW3582
MKCV1361
MKCT0859

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Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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