Andrade’s Indicator is supplied by Micromaster. It is available in the form of a light yellow to brownish yellow coloured liquid. It becomes pink at acidic pH levels and yellow at alkaline pH levels (pH range 5 – 8). This product should be stored between 10-30°C in a tightly closed container.

• Quantity provided: 100 ml/bottle

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).