查找：Readycult® Coliforms 100@2024已更新

別名:Coliform rapid test

屬性
Agency
EPA (Approved as alternative method)

質(zhì)量水平
200

無菌性
sterile; γ-irradiated

形式
medium granules (dehydrated (DCM))

manufacturer/tradename
ReadyCult®

technique(s)
microbiological culture: suitable

pH值（酸堿度）
6.6-7.0 (25 °C, 17 g/L in H2O)

溶解性
17 g/L

application(s)
food ａnd beverages
microbiology

儲(chǔ)存溫度
15-25°C

適用性
Escherichia coli
coliforms

說明
一般描述
Coliforms 100 is a chromogenic medium that provides easy-to-read, definitive positive results. It has a high nutritional quality of the peptones along with incorporated phosphate buffer that guarantees rapid growth of coliforms, while lauryl sulfate largely inhibits the accompanying flora (especially the Gram-positive). The chromogenic substrates X-GAL (cleaved by coliforms) ａnd the fluorogenic substrate MUG (highly specific for E. coli) allow for the simultaneous detection of total coliforms ａnd E. coli. The presence of total coliforms is indicated by a blue-green color of the broth ａnd E. coli by a blue fluorescence under UV-light. The optional 30-second indole reaction helps to accurately confirm the presence of E. coli. ReadyCult® tests are convenient, rapid ａnd economical.
應(yīng)用
Coliforms 100 is a rapid E. coli/Coliform test for drinking water. It is a selective enrichment broth used for the simultaneous presence / absence detection of total coliforms ａnd E. coli within the bacteriological water examination.
聯(lián)系
Replaces: 1012980002
分析說明
Appearance
- clearness:
clear
- colour: yellowish
pH-value (25 °C): 6.6 - 7.0
Inoculum on reference medium
- Escherichia coli ATCC 11775 (WDCM 00090):
10 - 100
- Citrobacter freundii ATCC 8090: 10 - 100
- Klebsiella pneumoniae ATCC 31488: 10 - 100
- Salmonella typhimurium ATCC 14028 (WDCM 00031): 10 - 100
- Pseudomonas aeruginosa ATCC 10145 (WDCM 00024): ≥ 1000
Growth
- Escherichia coli ATCC 11775 (WDCM 00090):
+
- Citrobacter freundii ATCC 8090: +
- Klebsiella pneumoniae ATCC 31488: +
- Salmonella typhimurium ATCC 14028 (WDCM 00031): +
colour change to blue-green
- Escherichia coli ATCC 11775 (WDCM 00090):
+
- Citrobacter freundii ATCC 8090: +
- Klebsiella pneumoniae ATCC 31488: +
- Salmonella typhimurium ATCC 14028 (WDCM 00031): -
- Pseudomonas aeruginosa ATCC 10145 (WDCM 00024): -
Fluorescence
- Escherichia coli ATCC 11775 (WDCM 00090):
+
- Citrobacter freundii ATCC 8090: -
- Klebsiella pneumoniae ATCC 31488: -
- Salmonella typhimurium ATCC 14028 (WDCM 00031): -
- Pseudomonas aeruginosa ATCC 10145 (WDCM 00024): -
Indole formation
- Escherichia coli ATCC 11775 (WDCM 00090):
+
- Citrobacter freundii ATCC 8090: -
- Klebsiella pneumoniae ATCC 31488: -
- Salmonella typhimurium ATCC 14028 (WDCM 00031): -
Incubation: 24 hrs.; 35 °C; aerobic.

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5 ≤IF≤10，贈(zèng)送價(jià)值 1000元禮品卡
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發(fā)表刊物        影響因子           獎(jiǎng)勵(lì)金額
SCI期刊雜志      1.0≤1F＜3.0          200元
SCI期刊雜志      3.0≤1F＜6.0          400元
SCI期刊雜志      6.0≤1F＜10.0         600元
SCI期刊雜志      1F≥10                1000元