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| Name | Indicator 4.8% Mixed (Methyl Red-Bromocresol Green) |
| Type | Volumetric analysis product |
| 1 | Appearance: Dark red to brown powder |
| 2 | Solubility: Soluble in water |
| 3 | pH Range: 4.8 - 6.0 (red to yellow-green) |
| 4 | Chemical Formula: C14H14Br4O5S |
| 5 | Molar Mass: 580.86 g/mol |
| 6 | CAS Number: 8004-87-3 |
| 7 | Usage: pH indicator for volumetric analysis |
| 8 | Storage: Store in a cool, dry place away from light |
| 9 | Shelf Life: 2-3 years when stored properly |
| 10 | Precautions: Avoid inhalation, ingestion, and contact with skin and eyes |
FAQ
What is Indicator 4.8, Mixed (Methyl Red-Bromocresol Green) for volumetric
analysis?
Indicator 4.8, Mixed (Methyl Red-Bromocresol Green) is a combination of two indicator dyes, Methyl Red and Bromocresol Green, that is commonly used in volumetric analysis.
How does Indicator 4.8 work in volumetric analysis?
Indicator 4.8 works by changing color in response to changes in pH. Methyl Red changes from red to yellow as the pH decreases, while Bromocresol Green changes from blue to yellow as the pH increases. This allows for the easy detection of the endpoint of a titration.
What are the advantages of using Indicator 4.8 in volumetric analysis?
One advantage of using Indicator 4.8 is that it provides a clear and distinct color change at the endpoint of a titration, making it easy to determine when the reaction is complete. Additionally, the combination of Methyl Red and Bromocresol Green covers a wide pH range, making it suitable for a variety of titrations.
Are there any limitations to using Indicator 4.8 in volumetric analysis?
One limitation of using Indicator 4.8 is that it may not be suitable for titrations that require a very specific pH range, as the color change may not be as precise as with other indicators. Additionally, some compounds may interfere with the color change, leading to inaccurate results.
How should Indicator 4.8 be used in volumetric analysis?
Indicator 4.8 should be added to the solution being titrated in small amounts until the desired color change is observed. It is important to swirl the solution gently after each addition to ensure the indicator is evenly distributed. The color change should be noted when determining the endpoint of the titration.
Indicator 4.8, Mixed (Methyl Red-Bromocresol Green) is a combination of two indicator dyes, Methyl Red and Bromocresol Green, that is commonly used in volumetric analysis.
How does Indicator 4.8 work in volumetric analysis?
Indicator 4.8 works by changing color in response to changes in pH. Methyl Red changes from red to yellow as the pH decreases, while Bromocresol Green changes from blue to yellow as the pH increases. This allows for the easy detection of the endpoint of a titration.
What are the advantages of using Indicator 4.8 in volumetric analysis?
One advantage of using Indicator 4.8 is that it provides a clear and distinct color change at the endpoint of a titration, making it easy to determine when the reaction is complete. Additionally, the combination of Methyl Red and Bromocresol Green covers a wide pH range, making it suitable for a variety of titrations.
Are there any limitations to using Indicator 4.8 in volumetric analysis?
One limitation of using Indicator 4.8 is that it may not be suitable for titrations that require a very specific pH range, as the color change may not be as precise as with other indicators. Additionally, some compounds may interfere with the color change, leading to inaccurate results.
How should Indicator 4.8 be used in volumetric analysis?
Indicator 4.8 should be added to the solution being titrated in small amounts until the desired color change is observed. It is important to swirl the solution gently after each addition to ensure the indicator is evenly distributed. The color change should be noted when determining the endpoint of the titration.
