- Narrow-mouth volumetric flasks are made to the highest standards to qualify for Class A certification.
- Made from Borosilicate 3.3 expansion glass.
- Flasks are serialized and supplied with PTFE STOPPER.
| PART No. | Capacity (ml) | Tolerance (+ml) | NS SIZE | Pack (qty.) |
| 2942-5 | 5 | 0.02 | 10/19 | 10 |
| 2942-10 | 10 | 0.02 | 10/19 | 10 |
| 2942-20 | 20 | 0.03 | 10/19 | 10 |
| 2942-25 | 25 | 0.03 | 10/19 | 10 |
| 2942-50-12 | 50 | 0.05 | 12/21 | 10 |
| 2942-50-14 | 50 | 0.05 | 14/23 | 10 |
| 2942-100-12 | 100 | 0.08 | 12/21 | 10 |
| 2942-100-14 | 100 | 0.08 | 14/23 | 10 |
| 2942-200 | 200 | 0.10 | 14/23 | 10 |
| 2942-250 | 250 | 0.12 | 14/23 | 10 |
| 2942-500 | 500 | 0.20 | 19/26 | 10 |
| 2942-1000 | 1000 | 0.30 | 24/29 | 10 |
| 2942-2000 | 2000 | 0.50 | 29/32 | 10 |
Here are potential uses for this specific type of volumetric flask:
- Precision Volume Measurements:
- Class A indicates high precision, allowing for accurate and reliable volume measurements. This is crucial in analytical chemistry and other applications where precise quantities of substances are required.
- ASTM E-288 Compliance:
- The flask is designed in accordance with ASTM E-288 standards, ensuring adherence to specific criteria for accuracy, calibration, and traceability set by the American Society for Testing and Materials (ASTM).
- Serialized with Individual Certificate:
- The individual certificate and serialization provide a unique identifier for the flask, indicating that it has been individually tested and meets specified quality standards.
- Solution Preparation:
- The narrow-mouth design minimizes exposure to the external environment, making the flask suitable for the preparation of standard solutions with precise concentrations.
- Chemical Analysis:
- Amber glass is often used when substances are light-sensitive. The volumetric flask can be used in chemical analysis where exposure to light needs to be minimized.
- Quality Control:
- Industries such as pharmaceuticals, food, and beverages may use amber glass volumetric flasks in quality control processes to ensure the accuracy of manufactured products.
- Long-Term Storage:
- The PTFE stopper provides a chemically inert and secure seal, making this flask suitable for the long-term storage of solutions.
- Research and Development:
- Laboratories may use these flasks in research and development projects where precise volume measurements, chemical inertness, and resistance to reactivity are important.
- General Laboratory Use:
- The flask can be employed in various laboratory applications where a narrow-mouth container with a PTFE stopper is needed for accurate measurements.
