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| Product Name | Ethanol absolute for UV, IR, HPLC |
| Grade | Analytical Grade |
| Purity | ≥99.9% |
| Appearance | Clear, colorless liquid |
| UV Absorbance (@ 270 Nm) | ≤0.05 |
| IR Absorbance | Passes test |
| Residue After Evaporation | ≤0.0005% |
| Water Content | ≤0.10% |
| Acidity (as Acetic Acid) | ≤0.001 meq/g |
| Heavy Metals (as Pb) | ≤0.5 ppm |
| Solubility | Soluble in water, ethanol |
FAQ
What is ethanol absolute and what are its uses in UV, IR, and HPLC
applications?
Ethanol absolute is a pure form of ethanol that is free from impurities. It is commonly used in UV, IR, and HPLC applications due to its high purity and ability to dissolve a wide range of compounds. In UV spectroscopy, ethanol absolute can be used as a solvent for preparing samples for analysis. In IR spectroscopy, it can be used as a solvent for samples or as a reference material for calibration. In HPLC, ethanol absolute is commonly used as a mobile phase solvent for the separation of compounds.
How does ethanol absolute differ from other forms of ethanol?
Ethanol absolute differs from other forms of ethanol, such as denatured ethanol or ethanol solutions, in terms of purity. Ethanol absolute is the purest form of ethanol available, with a purity of 99.5% or higher. It is free from impurities, such as water or other solvents, making it ideal for analytical applications where high purity is required. In contrast, denatured ethanol may contain additives to make it unfit for consumption, while ethanol solutions contain a lower percentage of ethanol mixed with other solvents.
What are the benefits of using ethanol absolute in UV, IR, and HPLC applications?
The use of ethanol absolute in UV, IR, and HPLC applications offers several benefits. First and foremost, its high purity ensures accurate and reliable results in analytical techniques. Its ability to dissolve a wide range of compounds makes it a versatile solvent for sample preparation and analysis. Additionally, ethanol absolute is compatible with most analytical instruments and techniques, making it a popular choice among researchers and scientists. Its availability in various volumes also makes it convenient for different laboratory needs.
How should ethanol absolute be stored to maintain its quality?
Ethanol absolute should be stored in a cool, dry place away from direct sunlight and sources of heat. It is important to keep the container tightly closed when not in use to prevent evaporation of the solvent. Additionally, ethanol absolute should be stored away from oxidizing agents and incompatible materials to prevent contamination. Proper storage conditions will help maintain the quality and purity of ethanol absolute for longer periods.
Are there any safety considerations when handling ethanol absolute?
When handling ethanol absolute, it is important to take necessary safety precautions to prevent exposure and accidents. Ethanol absolute is flammable and should be kept away from open flames or sources of ignition. It is also harmful if swallowed, inhaled, or in contact with skin or eyes. Personal protective equipment, such as gloves, goggles, and lab coats, should be worn when handling ethanol absolute. Spills should be cleaned up immediately using appropriate absorbent materials. Proper ventilation should also be ensured when working with ethanol absolute to avoid exposure to vapors.
Ethanol absolute is a pure form of ethanol that is free from impurities. It is commonly used in UV, IR, and HPLC applications due to its high purity and ability to dissolve a wide range of compounds. In UV spectroscopy, ethanol absolute can be used as a solvent for preparing samples for analysis. In IR spectroscopy, it can be used as a solvent for samples or as a reference material for calibration. In HPLC, ethanol absolute is commonly used as a mobile phase solvent for the separation of compounds.
How does ethanol absolute differ from other forms of ethanol?
Ethanol absolute differs from other forms of ethanol, such as denatured ethanol or ethanol solutions, in terms of purity. Ethanol absolute is the purest form of ethanol available, with a purity of 99.5% or higher. It is free from impurities, such as water or other solvents, making it ideal for analytical applications where high purity is required. In contrast, denatured ethanol may contain additives to make it unfit for consumption, while ethanol solutions contain a lower percentage of ethanol mixed with other solvents.
What are the benefits of using ethanol absolute in UV, IR, and HPLC applications?
The use of ethanol absolute in UV, IR, and HPLC applications offers several benefits. First and foremost, its high purity ensures accurate and reliable results in analytical techniques. Its ability to dissolve a wide range of compounds makes it a versatile solvent for sample preparation and analysis. Additionally, ethanol absolute is compatible with most analytical instruments and techniques, making it a popular choice among researchers and scientists. Its availability in various volumes also makes it convenient for different laboratory needs.
How should ethanol absolute be stored to maintain its quality?
Ethanol absolute should be stored in a cool, dry place away from direct sunlight and sources of heat. It is important to keep the container tightly closed when not in use to prevent evaporation of the solvent. Additionally, ethanol absolute should be stored away from oxidizing agents and incompatible materials to prevent contamination. Proper storage conditions will help maintain the quality and purity of ethanol absolute for longer periods.
Are there any safety considerations when handling ethanol absolute?
When handling ethanol absolute, it is important to take necessary safety precautions to prevent exposure and accidents. Ethanol absolute is flammable and should be kept away from open flames or sources of ignition. It is also harmful if swallowed, inhaled, or in contact with skin or eyes. Personal protective equipment, such as gloves, goggles, and lab coats, should be worn when handling ethanol absolute. Spills should be cleaned up immediately using appropriate absorbent materials. Proper ventilation should also be ensured when working with ethanol absolute to avoid exposure to vapors.
