Methyl Red 25gm
Original price was: KSh2,500.00.KSh2,300.00Current price is: KSh2,300.00.
Methyl Red is a pH indicator commonly used in microbiology and chemistry. It turns red at a pH below 4.4 and yellow at a pH above 6.2, making it useful for detecting acidic environments. In microbiological tests, such as the methyl red test in the IMViC series, it’s used to determine whether an organism produces stable acid end-products from glucose fermentation. The color change indicates the acidity of the solution, helping to differentiate between various bacterial species.
Uses of Methyl Red
Microbiological Testing:
It’s a key component in the Methyl Red (MR) test, which is part of the IMViC series used to differentiate enteric bacteria. The MR test assesses whether an organism can produce stable acids from glucose fermentation.
pH Indicator:
It helps determine the pH of solutions, particularly in acidic environments. This can be useful for various chemical and biological experiments where pH control is critical.
Acid-Base Titrations:
Methyl Red can be used as an indicator in acid-base titrations, especially in cases where a pH range between 4.4 and 6.2 is relevant.
Quality Control:
It assists in quality control processes where pH needs to be monitored closely to ensure consistency and safety in industrial processes.
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Properties
- Color: Red to purplish-red.
- Solubility: Soluble in water and ethanol.
- Staining Characteristics: Stains chromatin and cytoplasmic components, providing contrast for better visualization under a microscope.
Preparation
- Ingredients:
- Carmine dye: A natural red dye extracted from the cochineal insect.
- Acetic acid: A colorless liquid organic compound with a pungent smell.
- Procedure:
- Dissolve a specific amount of carmine powder in hot distilled water.
- Add glacial acetic acid to the solution.
- Filter the mixture to remove any undissolved particles.
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