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.