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Merck
CN

17774

亚碲酸钾 溶液

1% in H2O, for Staphylococcus spp., for Corynebacterium spp., tube of 10 × 10 mL

别名:

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

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化学文摘社编号:
NACRES:
NA.85
PubChem Substance ID:
UNSPSC Code:
41171614
MDL number:
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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

Quality Level

packaging

tube of 10 × 10 mL

concentration

1% in H2O

application(s)

environmental
food and beverages
microbiology

storage temp.

2-8°C

suitability

Corynebacterium spp., Staphylococcus spp.

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.

Application

过滤器灭菌的亚碲酸钾溶液用于葡萄球菌棒状菌的选择性分离。

Other Notes

无菌 1% 亚碲酸钾水溶液
每瓶 10mL

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

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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
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
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
Reiji Hiramatsu et al.
Journal of clinical microbiology, 40(3), 922-925 (2002-03-07)
We characterized the carbohydrate-fermenting ability of 31 strains of Shiga toxin-producing Escherichia coli (STEC) O26 isolated from diarrhea patients in Aichi Prefecture, Japan, in order to establish selective isolation media for these strains. None of the 31 STEC O26 strains
Xing-Long Xiao et al.
The Journal of general and applied microbiology, 56(6), 465-474 (2011-02-02)
A selective enrichment broth (SVV) was formulated to allow concurrent growth of Salmonella spp., V. parahaemolyticus, and V. cholerae. Potassium tellurite and sodium citrate were added as the inhibitors, while glucose, mannitol, anhydrous sodium sulfite and sodium pyruvate were employed

商品

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

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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