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56763

Millipore

Agar

high purity, low ionic content, low gel strenght, suitable for microbiology

Synonim(y):

Agar-agar, Gum agar, Agar-agar, Gum agar

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About This Item

Wzór liniowy:
(C12H18O9)n
Numer CAS:
9002-18-0
Numer WE:
232-658-1
Numer MDL:
MFCD00081288
Kod UNSPSC:
41106212
NACRES:
NA.85

Poziom jakości

200

sterylność

non-sterile

Postać

powder

okres trwałości

limited shelf life, expiry date on the label

pozostałość po prażeniu

≤4.0%

strata

≤10% loss on drying

mętność

≤8 NTU (after autoclaving)

mp

85-95 °C

temp. przejścia

gel point 34-36 °C

siła żelu

≥800 g/cm2

ślady anionów

sulfate (SO42-): ≤2.75%

ślady kationów

Ca: ≤500 mg/kg
Mg: ≤200 mg/kg

Zastosowanie

microbiology

InChI

1S/C14H24O9/c1-5-8(16)13-11(7(21-5)4-20-13)23-14-10(18)12(19-2)9(17)6(3-15)22-14/h5-18H,3-4H2,1-2H3/t5?,6-,7?,8-,9+,10-,11?,12+,13+,14?/m1/s1

Klucz InChI

GYYDPBCUIJTIBM-DYOGSRDZSA-N

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Opis ogólny

Agar is of high purity, low ionic content, and low gel strength widely used in microbiology as a solidifying agent in microbial culture media. It is a polysaccharide derived from seaweed and is primarily composed of agarose. Agar is a mostly inert substance, which makes it an ideal material for microbial culture media because it doesn’t interfere with the growth of microorganisms. Agar can solidify media, allowing microorganisms to grow in a solid environment, which facilitates the formation of distinct colonies and selective isolation of specific microorganisms. Agar is also used in the preparation of selective and differential media, which can provide additional nutrients or other chemical substances to promote or inhibit the growth of specific microorganisms selectively. Agar is sterilized by autoclaving and then poured into Petri dishes, where it can cool and solidify, forming the surface for microbial growth.

Zastosowanie

Agar is commonly used as a solidifying agent in many microbial culture media for the growth and identification of bacteria, yeasts and molds from various pharmaceutical, environmental, food and beverage samples.

Komentarz do analizy

toxic substances: absence

Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 1

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

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Certyfikaty analizy (CoA)

Lot/Batch Number
BCCJ3606
BCCD5385
BCCB4264
BCBP3685V
BCBF0719V

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Base Ingredients of Microbiology Media

Culture media provides a habitat with suitable nutrients, energy sources, and certain environmental conditions for the growth of microorganisms. The components of the culture media range from simple sugars to peptones, salts, antibiotics, and complex indicators.

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