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| Name | Sulfuric Acid 98% |
| Purity | 98% |
| Chemical Formula | H2SO4 |
| Appearance | Clear, colorless liquid |
| Odor | Odorless |
| Molar Mass | 98.08 g/mol |
| Boiling Point | 337 °C |
| Melting Point | 10 °C |
| Density | 1.85 g/cm3 |
| Solubility | Miscible with water |
| Application | Used for the determination of nitrogen in products |
| Storage Conditions | Store in a cool, dry, well-ventilated area away from incompatible substances |
| Handling Precautions | Wear protective gloves and eyewear when handling, avoid inhalation or skin contact |
| Storage Temperature | Room temperature |
| Flash Point | Not flammable |
FAQ
What is Sulfuric Acid 98% used for in the determination of nitrogen?
Sulfuric Acid 98% is commonly used as a catalyst in the determination of nitrogen by the Kjeldahl method. This method involves the digestion of organic samples to convert nitrogen into ammonium sulfate, which can then be analyzed quantitatively. The acidic environment created by sulfuric acid is crucial for the digestion process and ensures accurate results.
Why is sulfuric acid preferred for this application?
Sulfuric acid is preferred for the determination of nitrogen due to its high purity, strong acidity, and ability to facilitate the decomposition of organic matter. Its high concentration of 98% makes it effective for digesting a wide range of samples, while its strong acidic properties ensure complete decomposition of nitrogen-containing compounds.
What precautions should be taken when handling Sulfuric Acid 98% for the determination of nitrogen?
When handling Sulfuric Acid 98%, it is important to wear appropriate personal protective equipment, including gloves, goggles, and a lab coat. It should be stored in a well-ventilated area away from incompatible substances and sources of heat. Care should be taken to avoid skin contact, inhalation of fumes, and accidental spills.
How should Sulfuric Acid 98% be used in the determination of nitrogen?
To use Sulfuric Acid 98% in the determination of nitrogen, it is typically added to the digestion flask along with the sample and a catalyst, such as potassium sulfate or selenium. The mixture is then heated to a specific temperature for a set period of time to facilitate digestion. After digestion, the sample can be neutralized and distilled to quantify the amount of nitrogen present.
What are the advantages of using Sulfuric Acid 98% for the determination of nitrogen?
Using Sulfuric Acid 98% for the determination of nitrogen offers several advantages. Its high purity ensures accurate and reproducible results, while its strong acidity promotes efficient digestion of organic samples. Additionally, its compatibility with a variety of sample types makes it a versatile choice for nitrogen analysis.
Sulfuric Acid 98% is commonly used as a catalyst in the determination of nitrogen by the Kjeldahl method. This method involves the digestion of organic samples to convert nitrogen into ammonium sulfate, which can then be analyzed quantitatively. The acidic environment created by sulfuric acid is crucial for the digestion process and ensures accurate results.
Why is sulfuric acid preferred for this application?
Sulfuric acid is preferred for the determination of nitrogen due to its high purity, strong acidity, and ability to facilitate the decomposition of organic matter. Its high concentration of 98% makes it effective for digesting a wide range of samples, while its strong acidic properties ensure complete decomposition of nitrogen-containing compounds.
What precautions should be taken when handling Sulfuric Acid 98% for the determination of nitrogen?
When handling Sulfuric Acid 98%, it is important to wear appropriate personal protective equipment, including gloves, goggles, and a lab coat. It should be stored in a well-ventilated area away from incompatible substances and sources of heat. Care should be taken to avoid skin contact, inhalation of fumes, and accidental spills.
How should Sulfuric Acid 98% be used in the determination of nitrogen?
To use Sulfuric Acid 98% in the determination of nitrogen, it is typically added to the digestion flask along with the sample and a catalyst, such as potassium sulfate or selenium. The mixture is then heated to a specific temperature for a set period of time to facilitate digestion. After digestion, the sample can be neutralized and distilled to quantify the amount of nitrogen present.
What are the advantages of using Sulfuric Acid 98% for the determination of nitrogen?
Using Sulfuric Acid 98% for the determination of nitrogen offers several advantages. Its high purity ensures accurate and reproducible results, while its strong acidity promotes efficient digestion of organic samples. Additionally, its compatibility with a variety of sample types makes it a versatile choice for nitrogen analysis.
