Andrade Indicator — specification
The Andrade Indicator is built at our works in Ambala Cantt and supplied to laboratory laboratories worldwide, as a single unit or in quantity against a tender schedule. It is listed with the rest of our Biological Indicators.
Andrade Indicator is a solution of acid fuchsin which when titrated with sodium hydroxide changes color from pink to yellow. It is also used to differentiate microorganisms on the basis of carbohydrate fermentation in broth as well as agar media. Andrade Peptone Water and CLED Agar with Andrade Indicator are commonly used broth and agar media respectively. It becomes pink at acidic pH level (pH 5.0) and yellow at alkaline pH level ( pH 8.0).
Grade: pH Indicator
Capacity: 125 ml
Ingredients
Acid fuchsin: 0.5 gm
1N Sodium hydroxide: 16.0ml
Distilled water: 984.0ml
Quality Control
Appearance: Light yellow to brownish yellow coloured liquid.
Clarity: Clear without any particles.
Reaction: It becomes pink at acidic pH levels and yellow at alkaline pH levels (pH range 5 - 8).
For similar products visit at main page of Biological Indicators.
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