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Ressel's circle buy in Shymkent
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Ressel's circle

Ressel's circle

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Kazakhstan, Shymkent
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11 years on Allbiz
Description

Ressel's circle

Characteristic:

Wednesday Resselya - GRM is intended for primary identification of enterobakteriya on the basis of fermentation of lactose and glucose.

Represents finely divided, hydroscopic, light - sensitive powder of light yellow color.

Structure:

Pancreatic hydrolyzate of fish meal, sodium chloride, glucose, lactose, bromtimolovy blue, agar.

Preparation:

The preparation in the quantity necessary for preparation of specific series of culture medium, is stirred in 1 l of distilled water, boiled 2 min. before full fusion of agar, filtered via the wadded and gauze filter, spill 6 - 8 ml in sterile test tubes and sterilized autoclaving during
20 min. at temperature of 112 °C. Wednesday in test tubes is mown, leaving column 15 - 20 mm high.

The ready environment has green color.

rn 7,2±0,2

The sterile environment can be used within 3 weeks on condition of its storage at temperature
2 - 8 of C or within 3 days at temperature of storage of 18 - 25 °C (it is necessary to store test tubes in the place protected from light).

Principle of action:

Wednesday Resselya - GRM contains carbohydrates which, decaying with formation of acid, cause discolouration of the indicator bromtimolovy blue of green in yellow. When alkalifying the indicator gives blue coloring.

Carrying out analysis:

Researches of samples are conducted according to the corresponding Methodical instructions and state standard specifications.

The studied culture with bacteriological loop is sowed in test tube with Wednesday prick in column. Incubate at temperature (37±1) of °C during 18 - 20 h.

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