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| Name | Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) |
| Type | Analytical grade ACS product |
| CAS Number | 1787-61-7 |
| Molecular Formula | C20H12N3NaO7S |
| Molecular Weight | 461.39 g/mol |
| Appearance | Dark blue powder |
| Solubility | Soluble in water |
| Purity | Minimum 98% |
| Storage Conditions | Store in a cool, dry place away from light |
| Applications | Metal indicator, used in complexometric titrations |
| Shelf Life | At least 2 years |
FAQ
What is Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) and what is it used for in
analysis, ACS?
Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) is a dye commonly used as an indicator in complexometric titrations for the determination of metal ions such as calcium, magnesium, and zinc. It is specifically mentioned in the Analytical Chemistry Society (ACS) guidelines for accurate analysis of metal ions in different samples.
How does Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) work in complexometric titrations?
Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) forms colored complexes with metal ions in solution. The indicator changes color at specific pH levels, indicating the endpoint of the titration. This color change is crucial in determining the concentration of metal ions present in the sample being analyzed.
What are the advantages of using Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) in complexometric titrations?
Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) offers several advantages in complexometric titrations, including high sensitivity to metal ions, clear color changes for endpoint detection, and compatibility with various metal ion analyses. Additionally, it is a reliable indicator recommended by the ACS for accurate analysis in complexometric titrations.
Are there any precautions or considerations to keep in mind when using Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) in analysis, ACS?
When using Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) in complexometric titrations, it is essential to ensure that the pH of the solution is within the specified range for accurate results. Additionally, proper handling and storage of the indicator are important to maintain its effectiveness. Following the recommended procedures and guidelines for analysis set by the ACS is crucial to obtain reliable and precise results.
Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) is a dye commonly used as an indicator in complexometric titrations for the determination of metal ions such as calcium, magnesium, and zinc. It is specifically mentioned in the Analytical Chemistry Society (ACS) guidelines for accurate analysis of metal ions in different samples.
How does Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) work in complexometric titrations?
Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) forms colored complexes with metal ions in solution. The indicator changes color at specific pH levels, indicating the endpoint of the titration. This color change is crucial in determining the concentration of metal ions present in the sample being analyzed.
What are the advantages of using Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) in complexometric titrations?
Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) offers several advantages in complexometric titrations, including high sensitivity to metal ions, clear color changes for endpoint detection, and compatibility with various metal ion analyses. Additionally, it is a reliable indicator recommended by the ACS for accurate analysis in complexometric titrations.
Are there any precautions or considerations to keep in mind when using Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) in analysis, ACS?
When using Eriochrome Black T (C.I. 14645) (Reag. Ph. Eur.) in complexometric titrations, it is essential to ensure that the pH of the solution is within the specified range for accurate results. Additionally, proper handling and storage of the indicator are important to maintain its effectiveness. Following the recommended procedures and guidelines for analysis set by the ACS is crucial to obtain reliable and precise results.
