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Merck

05040

Agar

powder, suitable for microbiology

동의어(들):

Agar-agar, Gum agar

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
(C12H18O9)n
CAS 번호:
9002-18-0
eCl@ss:
42040102
UNSPSC Code:
41106212
NACRES:
NA.74
EC Number:
232-658-1
MDL number:
MFCD00081288

주요 문서

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InChI key

GYYDPBCUIJTIBM-DYOGSRDZSA-N

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

sterility

non-sterile

form

powder

shelf life

limited shelf life, expiry date on the label

packaging

pkg of 1 kg, pkg of 100 g, pkg of 250 g

storage condition

(Tightly closed)

ign. residue

≤6%

loss

≤20% loss on drying

pH

5-8 (50 °C, 1.5% in H2O, 100 °C/15 min.)

transition temp

gel point ~35 °C (1.5% solution)

gel strength

>300 g/cm2 (1.5% gel)

solubility

H2O: 1.5% at 70 °C, clear to slightly hazy (100 °C/15 min.)

application(s)

agriculture, microbiology

Quality Level

100

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관련 카테고리

General description

Agar is 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 to promote the formation of distinct colonies and enable selective isolation of specific microorganism. It is also used to prepare 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 to cool and solidify, forming the surface for microbial growth.

Application

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, and food and beverage samples.

저장 등급

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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시험 성적서(COA)

Lot/Batch Number
BCCG9969
BCCG6477
BCCF9819
BCCF1601
BCCD6501

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특정 버전이 필요한 경우 로트 번호나 배치 번호로 특정 인증서를 찾을 수 있습니다.

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문서

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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