- Calibrated to meet ASTM E-287 Specifications
- Burette is serialized and supplied with NEEDLE VALVE KEY STOPCOCK.
- Supplied with certificate of identification and capacity
- Scale is durable with ceramic enamel
| PART No. | Capacity (ml) | Subdivision (ml) | ±Tol. (ml) | Approx. Length (mm) | PACK Qty. |
| 4290-10 | 10 | 0.05 | 0.02 | 540 | 12 |
| 4290-25 | 25 | 0.10 | 0.03 | 614 | 12 |
| 4290-50 | 50 | 0.10 | 0.05 | 745 | 12 |
| 4290-100 | 100 | 0.20 | 0.10 | 791 | 12 |
Here are some common uses for such a burette:
- High-Precision Titration: Burettes with a needle valve key stopcock are often used in high-precision titration procedures where controlled and accurate addition of a titrant is crucial for determining the endpoint of a chemical reaction.
- Quantitative Analysis: These burettes are suitable for quantitative analysis in analytical chemistry, ensuring accurate and reproducible measurements of liquid volumes.
- Standardization of Solutions: The burette can be used in the standardization of solutions, ensuring accurate concentrations of reagents. The needle valve key stopcock provides fine control over the liquid flow.
- Chemical Reagent Dispensing: Burettes with a needle valve key stopcock are suitable for dispensing precise volumes of chemical reagents in laboratory experiments and procedures where precise control over liquid dispensing is required.
- Quality Control Testing: Industries, especially those involved in chemical production, may use these burettes for quality control purposes to ensure accuracy in measurements. The serialized and certified nature of the burette ensures traceability and compliance with accuracy standards.
- Analytical Chemistry: In analytical chemistry laboratories, burettes with needle valve key stopcocks can be used for accurate and controlled additions of reagents in various analytical procedures.
- Educational Settings: Burettes with individual certificates are commonly used in educational laboratories for teaching students about volumetric analysis, titrations, and proper laboratory techniques. The certificate ensures traceability and adherence to specific quality standards.
- Research Laboratories: These burettes are essential in research settings where high precision and accuracy are critical for reliable experimental results.
- Calibration of Instruments: Burettes with individual certificates can be used for the calibration of other laboratory instruments, ensuring the accuracy and reliability of various measurement devices.
- Development and Validation of Analytical Methods: Burettes with individual certificates are valuable in the development and validation of analytical methods, especially when adherence to specific standards is necessary.
- Environmental Analysis: In environmental laboratories, these burettes may be used for accurate measurements of chemical concentrations in samples.
- Medical and Clinical Laboratories: Burettes with high accuracy and individual certificates may find applications in medical and clinical laboratories where precise liquid measurements are required for diagnostic testing or research.
