推荐产品
质量水平
无菌性
non-sterile
形式
powder
保质期
limited shelf life, expiry date on the label
灼烧残渣
≤4.0%
缺失
≤10% loss on drying
浊度
≤8 NTU (after autoclaving)
mp
85-95 °C
转变温度
gel point 34-36 °C
凝胶强度
≥800 g/cm2
痕量阴离子
sulfate (SO42-): ≤2.75%
痕量阳离子
Ca: ≤500 mg/kg
Mg: ≤200 mg/kg
应用
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
InChI key
GYYDPBCUIJTIBM-DYOGSRDZSA-N
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一般描述
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.
应用
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.
分析说明
毒性物质：无
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
新产品
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商品
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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