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Merck
CN

17774

亚碲酸钾 溶液

1% in H2O, suitable for microbiology

别名:

Dipotassium tellurite, Potassium tellurite Solution, Tellurous acid, dipotassium salt

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化学文摘社编号:
7790-58-1
NACRES:
NA.85
PubChem Substance ID:
329751563
UNSPSC Code:
41171614
MDL number:
MFCD00011379

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产品名称

亚碲酸钾 溶液, 1% in H2O, suitable for microbiology

InChI

1S/2K.H2O3Te/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2

SMILES string

[K+].[K+].[O-][Te]([O-])=O

InChI key

BFPJYWDBBLZXOM-UHFFFAOYSA-L

agency

according to ISO 6888-1:2020

sterility

sterile (Filtered and Aseptic Handled)

form

liquid

shelf life

limited shelf life, expiry date on the label

concentration

1% in H2O

application(s)

environmental
food and beverages
microbiology

storage temp.

2-8°C

suitability

Corynebacterium spp.
Staphylococcus spp.

Quality Level

200

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相关类别

Application

过滤器灭菌的亚碲酸钾溶液用于葡萄球菌 和 棒状菌的选择性分离。

Other Notes

无菌 1% 亚碲酸钾水溶液
每瓶 10mL

General description

Potassium Tellurite Solution is a sterile, filter-sterilized 1 % solution specifically designed for the selective isolation of Staphylococcus and Corynebacteria in microbiological applications, complying with ISO 6888-1:2020 standards. Its selectivity arises from the inhibitory action of potassium tellurite against many gram-negative and some Gram-positive bacteria, allowing only the target organisms to thrive. Staphylococci and Corynebacteria can metabolize potassium tellurite, reducing it to telluride and forming distinctive black colonies, which aids in differentiation. This optimized solution provides an environment conducive to the growth of these bacteria while suppressing others.

存储类别

10 - Combustible liquids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCN9454
BCCN5049
BCCN3048
BCCN0404
BCCM8276

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Miguel E Castro et al.
Biochemical and biophysical research communications, 375(1), 91-94 (2008-08-05)
Potassium tellurite (K(2)TeO(3)) is extremely toxic for most forms of life and only a limited number of organisms are naturally resistant to the toxic effects of this compound. Crude extracts prepared from the environmental isolate Aeromonas caviae ST catalize the
Miguel E Castro et al.
Biochemical and biophysical research communications, 380(1), 148-152 (2009-01-27)
Potassium tellurite (K(2)TeO(3)) is harmful to most organisms and specific mechanisms explaining its toxicity are not well known to date. We previously reported that the lpdA gene product of the tellurite-resistant environmental isolate Aeromonas caviae ST is involved in the
Lillian G Acuña et al.
Archives of microbiology, 191(5), 473-476 (2009-03-31)
Potassium tellurite is highly toxic to most forms of life and specific bacterial tellurite defense mechanisms are not fully understood to date. Recent evidence suggests that tellurite would exert its toxic effects, at least in part, through the generation of
Martina Bielaszewska et al.
Journal of clinical microbiology, 43(1), 452-454 (2005-01-07)
A total of 66 (98.5%) of 67 enterohemorrhagic Escherichia coli (EHEC) O157:H7 strains had increased potassium tellurite (Te) MICs (32 to 1,024 microg/ml), grew on Te-containing media, and possessed Te resistance (ter) genes, whereas 83 (96.5%) of 86 sorbitol-fermenting (SF)
Shelton E Murinda et al.
Foodborne pathogens and disease, 1(3), 178-184 (2005-07-05)
The objective of this study was to characterize Escherichia coli isolates from dairy cows/feedlots, calves, mastitis, pigs, dogs, parrot, iguana, human disease, and food products for prevalence of Shiga toxin-producing E. coli (STEC) virulence markers. The rationale of the study
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商品

Media for Staphylococcus Aureus Detection

Chromogenic media enable the selective detection of S. aureus, which produce bluish-green colonies that are clearly differentiated from other species.

金黄色葡萄球菌检测培养基

显色培养基能够选择性检测金黄色葡萄球菌，该葡萄球菌产生的蓝绿色菌落与其他物种明显不同。

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