DWK Duran Volumetric Flask 50 ml, Class A Blue Graduation, Batch Certificate, One Graduation Mark, Polyethylene Stopper, NS 12/21

The DWK Duran 50 mL Volumetric Flask, Class A is precision-calibrated to contain (IN) exactly 50 mL of liquid at 20 °C, delivering exceptional accuracy for quantitative laboratory work. Crafted from high-quality BOROSILICATE‑3.3 glass, this flask features a highly durable blue graduation line and includes a batch certificate documenting calibration data. A polyethylene (PE) stopper ensures secure sealing, while the external scratch ring mark facilitates easy reading and identification.

Key Features:

• Brand: DWK Duran
• Material: High-purity BOROSILICATE‑3.3 glass
• Capacity: 50 mL (Class A tolerance)
• Graduation: Blue print with precise mark
• Certificate: Supplied with batch certificate for traceability
• Stopper: Polyethylene (PE) for secure sealing
• Scratch Mark: External mark for accurate volume alignment
• Calibrated To: Contain (IN) at 20 °C per ISO 1042 / ASTM standards

This DWK Duran volumetric flask is an essential tool for laboratories requiring highly accurate volumetric measurements and verification through batch certification.

Frequently Asked Questions

1. What is the DWK Duran Volumetric Flask 50 ml, Class A Blue Graduation, Batch Certificate, One Graduation Mark, Polyethylene Stopper, NS 12/21 used for?

It is precision-calibrated to contain (IN) exactly 50 mL of liquid at 20 °C, delivering exceptional accuracy for quantitative laboratory work. Crafted from high-quality BOROSILICATE‑3.3 glass, this flask features a highly durable blue graduation line and includes a batch certificate documenting calibration data. A polyethylene (PE) stopper ensures secure sealing, while the external scratch ring mark facilitates easy reading and identification.

2. Is this product suitable for laboratory liquid preparation, mixing, heating or measurement within the stated capacity and material limits?

Yes. It is designed for laboratory liquid preparation, mixing, heating or measurement within the stated capacity and material limits, and offers a capacity of 50 mL (Class A tolerance) to support this kind of work.

3. What capacity does this product have?

It has a capacity of 50 mL (Class A tolerance).

4. What is this product made from and what features does it include?

It is made from high-purity BOROSILICATE‑3.3 glass. It also offers blue print with precise mark, batch certificate for traceability and polyethylene (PE) for secure sealing.