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| Name | Ethanol 70% for analysis |
| Concentration | 70% |
| Grade | analytical grade |
| Purity | high purity |
| Color | colorless |
| Odor | characteristic |
| Density | 0.868 g/cm3 |
| Boiling Point | 78.37°C |
| Melting Point | -114.1°C |
| Flash Point | 16.6°C |
| Solubility | miscible with water |
| Packaging | available in various sizes |
| Applications | commonly used as a solvent in various analytical procedures |
| Storage | store in a cool, dry place away from heat sources |
| Shelf Life | long shelf life when stored properly |
| Hazards | flammable liquid, harmful if ingested, avoid contact with eyes and skin |
FAQ
What is Ethanol 70% used for in analysis?
Ethanol 70% is commonly used in analysis for various purposes such as extraction, purification, and dilution of samples. It is particularly effective for dissolving both polar and non-polar substances, making it a versatile solvent in analytical procedures.
How does Ethanol 70% compare to other concentrations of ethanol for analysis?
Ethanol 70% is a popular choice for analysis due to its balance of solubility and efficiency. Higher concentrations of ethanol may not be suitable for certain analyses as they can denature proteins or interfere with reactions, while lower concentrations may not be as effective in dissolving all types of compounds. Ethanol 70% strikes a good balance between these factors, making it widely used in analytical procedures.
Can Ethanol 70% be used for DNA or RNA extraction in analysis?
Ethanol 70% is commonly used for DNA or RNA extraction in analysis. It helps to precipitate nucleic acids from solution, allowing for their isolation and purification. However, it is important to follow specific protocols and guidelines for DNA or RNA extraction using ethanol 70% to ensure optimal results.
Is Ethanol 70% suitable for use in chromatography techniques?
Ethanol 70% can be used in chromatography techniques, particularly in thin-layer chromatography (TLC) or paper chromatography. It serves as a mobile phase or solvent in these techniques, helping to separate compounds based on their differential solubility and affinity for the stationary phase. Ethanol 70% is often preferred for its ability to dissolve a wide range of compounds while still providing good separation in chromatography.
How should Ethanol 70% be stored for long-term use in analysis?
Ethanol 70% should be stored in a cool, dry place away from direct sunlight or heat sources. It is important to keep the container tightly sealed when not in use to prevent evaporation and contamination. Proper storage of ethanol 70% ensures its stability and effectiveness for analysis over an extended period of time.
Ethanol 70% is commonly used in analysis for various purposes such as extraction, purification, and dilution of samples. It is particularly effective for dissolving both polar and non-polar substances, making it a versatile solvent in analytical procedures.
How does Ethanol 70% compare to other concentrations of ethanol for analysis?
Ethanol 70% is a popular choice for analysis due to its balance of solubility and efficiency. Higher concentrations of ethanol may not be suitable for certain analyses as they can denature proteins or interfere with reactions, while lower concentrations may not be as effective in dissolving all types of compounds. Ethanol 70% strikes a good balance between these factors, making it widely used in analytical procedures.
Can Ethanol 70% be used for DNA or RNA extraction in analysis?
Ethanol 70% is commonly used for DNA or RNA extraction in analysis. It helps to precipitate nucleic acids from solution, allowing for their isolation and purification. However, it is important to follow specific protocols and guidelines for DNA or RNA extraction using ethanol 70% to ensure optimal results.
Is Ethanol 70% suitable for use in chromatography techniques?
Ethanol 70% can be used in chromatography techniques, particularly in thin-layer chromatography (TLC) or paper chromatography. It serves as a mobile phase or solvent in these techniques, helping to separate compounds based on their differential solubility and affinity for the stationary phase. Ethanol 70% is often preferred for its ability to dissolve a wide range of compounds while still providing good separation in chromatography.
How should Ethanol 70% be stored for long-term use in analysis?
Ethanol 70% should be stored in a cool, dry place away from direct sunlight or heat sources. It is important to keep the container tightly sealed when not in use to prevent evaporation and contamination. Proper storage of ethanol 70% ensures its stability and effectiveness for analysis over an extended period of time.
