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Merck
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文件

56763

Millipore

琼脂

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

同義詞:

洋菜，琼胶, 琼脂-琼脂, 胶琼脂

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About This Item

線性公式:
(C12H18O9)n
CAS號碼:
9002-18-0
EC號碼:
232-658-1
MDL號碼:
MFCD00081288
分類程式碼代碼:
41106212
NACRES:
NA.85

品質等級

200

無菌

non-sterile

形狀

powder

儲存期限

limited shelf life, expiry date on the label

燃燒殘留物

≤4.0%

損耗

≤10% loss on drying

濁度

≤8 NTU (after autoclaving)

mp

85-95 °C

轉變溫度

gel point 34-36 °C

凝膠強度

≥800 g/cm2

負離子痕跡

sulfate (SO42-): ≤2.75%

正離子痕跡

Ca: ≤500 mg/kg
Mg: ≤200 mg/kg

應用

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 密鑰

GYYDPBCUIJTIBM-DYOGSRDZSA-N

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相關類別

一般說明

琼脂具有高纯度、低离子含量和低凝胶强度，作为微生物培养基的凝固剂被广泛应用于微生物学。它是从海藻中提取的多糖，主要由琼脂糖组成。琼脂基本上是一种惰性物质，这使它成为微生物培养基的理想材料，因为它不会干扰微生物的生长。琼脂可以固化培养基，使微生物在固体环境中生长，促进不同菌落的形成，并可以选择性地分离特定的微生物。琼脂还用于制备选择性和鉴别性培养基，这些培养基可以提供额外的营养物质或其他化学物质，以选择性地促进或抑制特定微生物的生长。琼脂通过高压灭菌法灭菌，然后倒入培养皿冷却和固化，形成微生物生长的表面。

應用

琼脂通常用作许多微生物培养基的凝固剂，用于各种制药、环境、食品和饮料样品中的细菌、酵母和霉菌的生长和鉴定。

分析報告

毒性物质：无

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 1

閃點（°F）

Not applicable

閃點（°C）

Not applicable

Choose from one of the most recent versions:

分析證明 (COA)

Lot/Batch Number
BCCJ3606
BCCD5385
BCCB4264
BCBP3685V
BCBF0719V

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If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

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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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