DWK Duran 20 mL Amber Volumetric Flask, Class A, White Graduation, Batch Certificate, Polyethylene Stopper NS 10/19

The DWK Duran 20 mL amber volumetric flask is meticulously crafted from high-quality borosilicate glass 3.3, ensuring exceptional durability and chemical resistance. Its amber coloration provides effective UV protection, safeguarding light-sensitive substances during storage and preparation. Complying with ISO 1042 standards, this Class A flask features a white printed graduation mark for clear visibility and precise measurement. Each flask is supplied with a batch certificate, documenting the mean value obtained from measuring the batch, standard deviation, and the day of issue, ensuring reliable performance. Equipped with an ergonomic polyethylene stopper (NS 10/19), it ensures a secure seal, preventing contamination and evaporation of contents. Calibrated to contain (IN) at a reference temperature of +20 °C, this flask is ideal for accurate preparation and storage of standard solutions in laboratory settings.

Key Features:

• Brand: DWK Duran
• Material: Borosilicate glass 3.3 for high durability and chemical resistance
• Graduation: White printed Class A graduation mark for precise measurement
• Certification: Includes a batch certificate ensuring accuracy
• Stopper: Ergonomic polyethylene stopper (NS 10/19) for secure sealing
• Calibration: Calibrated to contain (IN) at +20 °C reference temperature
• Application: Ideal for accurate preparation and storage of standard solutions

The DWK Duran 20 mL Amber Volumetric Flask, Class A, White Graduation, Batch Certificate, Polyethylene Stopper NS 10/19 is a practical choice for laboratories requiring dependable quality, reliable performance, and consistent day-to-day use.

Frequently Asked Questions

1. What is the DWK Duran 20 mL Amber Volumetric Flask, Class A, White Graduation, Batch Certificate, Polyethylene Stopper NS 10/19 used for?

It is meticulously crafted from high-quality borosilicate glass 3.3, ensuring exceptional durability and chemical resistance. Its amber coloration provides effective UV protection, safeguarding light-sensitive substances during storage and preparation. Complying with ISO 1042 standards, this Class A flask features a white printed graduation mark for clear visibility and precise measurement. Each flask is supplied with a batch certificate, documenting the mean value obtained from measuring the batch, standard deviation, and the day of issue, ensuring reliable performance. Equipped with an ergonomic polyethylene stopper (NS 10/19), it ensures a secure seal, preventing contamination and evaporation of contents. Calibrated to contain (IN) at a reference temperature of +20 °C, this flask is ideal for accurate preparation and storage of standard solutions in laboratory settings.

2. Is this product suitable for accurate preparation and storage of standard solutions?

Yes. It is designed for accurate preparation and storage of standard solutions, and offers white printed Class A graduation mark for precise measurement and a batch certificate ensuring accuracy to support this kind of work.

3. What graduation and certification does this product have?

It has white printed Class A graduation mark for precise measurement, a batch certificate ensuring accuracy and ergonomic polyethylene stopper (NS 10/19) for secure sealing.

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

It is made from borosilicate glass 3.3 for high durability and chemical resistance. It also offers calibrated to contain (IN) at +20 °C reference temperature.